./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:59:43,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:59:43,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 02:59:43,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:59:43,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:59:43,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:59:43,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:59:43,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:59:43,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:59:43,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:59:43,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:59:43,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:59:43,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:59:43,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:59:43,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:59:43,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:59:43,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:59:43,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:59:43,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:59:43,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:59:43,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:59:43,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:59:43,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:59:43,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:59:43,283 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:59:43,283 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:59:43,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:59:43,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:59:43,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:59:43,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:59:43,283 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:59:43,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:59:43,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:59:43,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:59:43,285 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 [2024-11-28 02:59:43,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:59:43,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:59:43,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:59:43,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:59:43,668 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:59:43,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2024-11-28 02:59:46,604 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/data/0c2272de1/e870a8c3416641e787fca94ac790a385/FLAG8d08b2d10 [2024-11-28 02:59:46,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:59:46,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2024-11-28 02:59:46,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/data/0c2272de1/e870a8c3416641e787fca94ac790a385/FLAG8d08b2d10 [2024-11-28 02:59:46,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/data/0c2272de1/e870a8c3416641e787fca94ac790a385 [2024-11-28 02:59:46,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:59:46,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:59:46,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:59:46,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:59:46,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:59:46,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:46" (1/1) ... [2024-11-28 02:59:46,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1971390e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:46, skipping insertion in model container [2024-11-28 02:59:46,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:46" (1/1) ... [2024-11-28 02:59:46,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:59:47,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:59:47,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:59:47,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:59:47,243 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:59:47,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47 WrapperNode [2024-11-28 02:59:47,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:59:47,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:59:47,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:59:47,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:59:47,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,283 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-28 02:59:47,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:59:47,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:59:47,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:59:47,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:59:47,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,296 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,308 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:59:47,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,312 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:59:47,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:59:47,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:59:47,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:59:47,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (1/1) ... [2024-11-28 02:59:47,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:59:47,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:47,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:59:47,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:59:47,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:59:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:59:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:59:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:59:47,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:59:47,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:59:47,464 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:59:47,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:59:47,822 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-28 02:59:47,822 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:59:47,835 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:59:47,836 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:59:47,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:47 BoogieIcfgContainer [2024-11-28 02:59:47,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:59:47,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:59:47,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:59:47,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:59:47,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:46" (1/3) ... [2024-11-28 02:59:47,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e75c809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:47, skipping insertion in model container [2024-11-28 02:59:47,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:47" (2/3) ... [2024-11-28 02:59:47,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e75c809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:47, skipping insertion in model container [2024-11-28 02:59:47,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:47" (3/3) ... [2024-11-28 02:59:47,848 INFO L128 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound10.c [2024-11-28 02:59:47,866 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:59:47,868 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohendiv-ll_unwindbound10.c that has 2 procedures, 95 locations, 1 initial locations, 2 loop locations, and 34 error locations. [2024-11-28 02:59:47,930 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:59:47,944 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19704279, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:59:47,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-28 02:59:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 02:59:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 02:59:47,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:47,955 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:59:47,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:47,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:47,961 INFO L85 PathProgramCache]: Analyzing trace with hash 889508744, now seen corresponding path program 1 times [2024-11-28 02:59:47,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:47,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353163024] [2024-11-28 02:59:47,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:47,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:59:48,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:48,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353163024] [2024-11-28 02:59:48,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353163024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:48,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:48,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:59:48,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509866643] [2024-11-28 02:59:48,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:48,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:59:48,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:48,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:59:48,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:59:48,156 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:48,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:48,200 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2024-11-28 02:59:48,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:59:48,203 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-28 02:59:48,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:48,212 INFO L225 Difference]: With dead ends: 186 [2024-11-28 02:59:48,213 INFO L226 Difference]: Without dead ends: 88 [2024-11-28 02:59:48,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:59:48,221 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:48,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:48,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-28 02:59:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-28 02:59:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 80 states have internal predecessors, (84), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 02:59:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2024-11-28 02:59:48,285 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 6 [2024-11-28 02:59:48,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:48,285 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2024-11-28 02:59:48,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2024-11-28 02:59:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 02:59:48,286 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:48,286 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:59:48,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:59:48,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:48,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:48,290 INFO L85 PathProgramCache]: Analyzing trace with hash 889568326, now seen corresponding path program 1 times [2024-11-28 02:59:48,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:48,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217718690] [2024-11-28 02:59:48,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:48,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:59:48,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:48,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217718690] [2024-11-28 02:59:48,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217718690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:48,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:48,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:59:48,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993581593] [2024-11-28 02:59:48,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:48,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:48,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:48,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:48,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:48,437 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:48,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:48,519 INFO L93 Difference]: Finished difference Result 126 states and 136 transitions. [2024-11-28 02:59:48,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:48,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-28 02:59:48,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:48,536 INFO L225 Difference]: With dead ends: 126 [2024-11-28 02:59:48,537 INFO L226 Difference]: Without dead ends: 125 [2024-11-28 02:59:48,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:48,538 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:48,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:48,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-28 02:59:48,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2024-11-28 02:59:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.75) internal successors, (105), 94 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 02:59:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2024-11-28 02:59:48,561 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 6 [2024-11-28 02:59:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:48,561 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2024-11-28 02:59:48,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2024-11-28 02:59:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 02:59:48,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:48,562 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:48,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:59:48,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:48,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:48,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1806814377, now seen corresponding path program 1 times [2024-11-28 02:59:48,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:48,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538971007] [2024-11-28 02:59:48,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:48,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:59:48,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:48,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538971007] [2024-11-28 02:59:48,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538971007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:48,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:48,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:59:48,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86798438] [2024-11-28 02:59:48,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:48,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:48,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:48,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:48,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:48,683 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:48,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:48,741 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2024-11-28 02:59:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:48,742 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-28 02:59:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:48,744 INFO L225 Difference]: With dead ends: 113 [2024-11-28 02:59:48,745 INFO L226 Difference]: Without dead ends: 104 [2024-11-28 02:59:48,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:48,746 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:48,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:48,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-28 02:59:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-28 02:59:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 94 states have internal predecessors, (103), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 02:59:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2024-11-28 02:59:48,757 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 7 [2024-11-28 02:59:48,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:48,757 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2024-11-28 02:59:48,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2024-11-28 02:59:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 02:59:48,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:48,758 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:48,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:59:48,758 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:48,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:48,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1181830318, now seen corresponding path program 1 times [2024-11-28 02:59:48,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:48,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137488738] [2024-11-28 02:59:48,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:48,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:48,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118378621] [2024-11-28 02:59:48,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:48,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:48,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:48,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:48,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:59:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:48,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:48,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:59:48,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:48,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:48,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137488738] [2024-11-28 02:59:48,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:59:48,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118378621] [2024-11-28 02:59:48,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118378621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:48,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:48,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:59:48,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597083455] [2024-11-28 02:59:48,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:48,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:59:48,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:48,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:59:48,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:48,882 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:48,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:48,995 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2024-11-28 02:59:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:59:48,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-28 02:59:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:48,997 INFO L225 Difference]: With dead ends: 119 [2024-11-28 02:59:48,997 INFO L226 Difference]: Without dead ends: 117 [2024-11-28 02:59:48,998 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:48,999 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 18 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:48,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-28 02:59:49,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2024-11-28 02:59:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 94 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 02:59:49,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2024-11-28 02:59:49,021 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 9 [2024-11-28 02:59:49,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:49,021 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2024-11-28 02:59:49,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:59:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2024-11-28 02:59:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 02:59:49,025 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:49,025 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:49,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:49,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:49,226 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:49,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:49,227 INFO L85 PathProgramCache]: Analyzing trace with hash 702513269, now seen corresponding path program 1 times [2024-11-28 02:59:49,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:49,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104639831] [2024-11-28 02:59:49,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:49,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:49,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389575174] [2024-11-28 02:59:49,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:49,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:49,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:49,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:49,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:59:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:49,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:59:49,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:59:49,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:49,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:49,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104639831] [2024-11-28 02:59:49,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:59:49,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389575174] [2024-11-28 02:59:49,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389575174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:49,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:49,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:59:49,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55853755] [2024-11-28 02:59:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:49,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:59:49,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:49,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:59:49,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:49,377 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:59:49,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:49,529 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2024-11-28 02:59:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:59:49,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-28 02:59:49,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:49,532 INFO L225 Difference]: With dead ends: 160 [2024-11-28 02:59:49,532 INFO L226 Difference]: Without dead ends: 154 [2024-11-28 02:59:49,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:49,533 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:49,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 142 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:49,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-28 02:59:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2024-11-28 02:59:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 117 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 02:59:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2024-11-28 02:59:49,553 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 16 [2024-11-28 02:59:49,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:49,553 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2024-11-28 02:59:49,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:59:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2024-11-28 02:59:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-28 02:59:49,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:49,554 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:49,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:49,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:49,762 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:49,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash 805388023, now seen corresponding path program 1 times [2024-11-28 02:59:49,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:49,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332123327] [2024-11-28 02:59:49,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:49,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:49,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698737997] [2024-11-28 02:59:49,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:49,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:49,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:49,805 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:49,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:59:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:49,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:59:49,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:59:50,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:50,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:50,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332123327] [2024-11-28 02:59:50,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:59:50,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698737997] [2024-11-28 02:59:50,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698737997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:50,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:50,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:50,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883718185] [2024-11-28 02:59:50,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:50,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:50,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:50,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:50,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:50,002 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:59:50,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:50,189 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2024-11-28 02:59:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:50,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-28 02:59:50,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:50,191 INFO L225 Difference]: With dead ends: 153 [2024-11-28 02:59:50,191 INFO L226 Difference]: Without dead ends: 150 [2024-11-28 02:59:50,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:50,192 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:50,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:50,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-28 02:59:50,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 133. [2024-11-28 02:59:50,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 118 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 02:59:50,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 165 transitions. [2024-11-28 02:59:50,206 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 165 transitions. Word has length 18 [2024-11-28 02:59:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:50,206 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 165 transitions. [2024-11-28 02:59:50,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:59:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2024-11-28 02:59:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-28 02:59:50,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:50,207 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:50,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:50,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:50,408 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:50,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:50,408 INFO L85 PathProgramCache]: Analyzing trace with hash -802774997, now seen corresponding path program 1 times [2024-11-28 02:59:50,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:50,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187985153] [2024-11-28 02:59:50,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:50,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:50,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529483132] [2024-11-28 02:59:50,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:50,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:50,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:50,444 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:50,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:59:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:50,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:59:50,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:59:50,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:50,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:50,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187985153] [2024-11-28 02:59:50,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:59:50,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529483132] [2024-11-28 02:59:50,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529483132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:50,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:50,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:50,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774685207] [2024-11-28 02:59:50,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:50,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:50,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:50,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:50,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:50,609 INFO L87 Difference]: Start difference. First operand 133 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:59:50,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:50,851 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2024-11-28 02:59:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:50,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-28 02:59:50,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:50,853 INFO L225 Difference]: With dead ends: 153 [2024-11-28 02:59:50,853 INFO L226 Difference]: Without dead ends: 146 [2024-11-28 02:59:50,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:50,854 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 178 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:50,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:50,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-28 02:59:50,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-28 02:59:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.646341463414634) internal successors, (135), 115 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 02:59:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2024-11-28 02:59:50,877 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 19 [2024-11-28 02:59:50,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:50,882 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2024-11-28 02:59:50,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 02:59:50,882 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2024-11-28 02:59:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 02:59:50,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:50,883 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:50,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:59:51,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:51,084 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:51,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:51,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1285675233, now seen corresponding path program 1 times [2024-11-28 02:59:51,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:51,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352802784] [2024-11-28 02:59:51,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:51,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:59:51,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:51,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352802784] [2024-11-28 02:59:51,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352802784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:51,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:51,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:51,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312119307] [2024-11-28 02:59:51,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:51,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:51,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:51,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:51,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:51,248 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:51,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:51,369 INFO L93 Difference]: Finished difference Result 130 states and 159 transitions. [2024-11-28 02:59:51,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:59:51,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-28 02:59:51,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:51,372 INFO L225 Difference]: With dead ends: 130 [2024-11-28 02:59:51,372 INFO L226 Difference]: Without dead ends: 128 [2024-11-28 02:59:51,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:59:51,373 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 149 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:51,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 247 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:51,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-28 02:59:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-28 02:59:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.6097560975609757) internal successors, (132), 113 states have internal predecessors, (132), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 02:59:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2024-11-28 02:59:51,386 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 27 [2024-11-28 02:59:51,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:51,386 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2024-11-28 02:59:51,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2024-11-28 02:59:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 02:59:51,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:51,387 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:51,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:59:51,388 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:51,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:51,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1201226479, now seen corresponding path program 1 times [2024-11-28 02:59:51,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:51,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025693679] [2024-11-28 02:59:51,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:59:51,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:51,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025693679] [2024-11-28 02:59:51,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025693679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:51,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:51,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:51,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267099689] [2024-11-28 02:59:51,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:51,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:51,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:51,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:51,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:51,512 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:51,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:51,603 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2024-11-28 02:59:51,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:59:51,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-28 02:59:51,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:51,606 INFO L225 Difference]: With dead ends: 214 [2024-11-28 02:59:51,606 INFO L226 Difference]: Without dead ends: 132 [2024-11-28 02:59:51,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:59:51,607 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:51,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 347 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:59:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-28 02:59:51,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-28 02:59:51,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 86 states have (on average 1.5813953488372092) internal successors, (136), 117 states have internal predecessors, (136), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 02:59:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-11-28 02:59:51,620 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 28 [2024-11-28 02:59:51,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:51,620 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-11-28 02:59:51,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-11-28 02:59:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-28 02:59:51,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:51,621 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:51,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:59:51,621 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:51,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:51,622 INFO L85 PathProgramCache]: Analyzing trace with hash 967558966, now seen corresponding path program 1 times [2024-11-28 02:59:51,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:51,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917329060] [2024-11-28 02:59:51,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:51,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:51,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333415985] [2024-11-28 02:59:51,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:51,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:51,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:51,647 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:51,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:59:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:51,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:59:51,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:51,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:59:51,797 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:51,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:51,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917329060] [2024-11-28 02:59:51,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:59:51,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333415985] [2024-11-28 02:59:51,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333415985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:51,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:51,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:51,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282335998] [2024-11-28 02:59:51,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:51,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:51,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:51,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:51,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:51,801 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:52,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:52,064 INFO L93 Difference]: Finished difference Result 206 states and 277 transitions. [2024-11-28 02:59:52,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:52,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-28 02:59:52,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:52,067 INFO L225 Difference]: With dead ends: 206 [2024-11-28 02:59:52,067 INFO L226 Difference]: Without dead ends: 201 [2024-11-28 02:59:52,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:52,069 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:52,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 96 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:52,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-28 02:59:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2024-11-28 02:59:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.5891472868217054) internal successors, (205), 160 states have internal predecessors, (205), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:59:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2024-11-28 02:59:52,096 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 30 [2024-11-28 02:59:52,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:52,096 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2024-11-28 02:59:52,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2024-11-28 02:59:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-28 02:59:52,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:52,097 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:52,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:52,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 02:59:52,297 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:52,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:52,298 INFO L85 PathProgramCache]: Analyzing trace with hash -70443036, now seen corresponding path program 1 times [2024-11-28 02:59:52,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:52,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915868379] [2024-11-28 02:59:52,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:52,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:52,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [982507040] [2024-11-28 02:59:52,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:52,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:52,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:52,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:52,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:59:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:52,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:59:52,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 02:59:52,467 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:52,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915868379] [2024-11-28 02:59:52,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:59:52,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982507040] [2024-11-28 02:59:52,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982507040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:52,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:52,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:52,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945305532] [2024-11-28 02:59:52,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:52,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:52,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:52,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:52,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:52,469 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:52,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:52,679 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2024-11-28 02:59:52,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:52,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-28 02:59:52,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:52,681 INFO L225 Difference]: With dead ends: 204 [2024-11-28 02:59:52,682 INFO L226 Difference]: Without dead ends: 201 [2024-11-28 02:59:52,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:52,682 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 115 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:52,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 96 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:52,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-28 02:59:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2024-11-28 02:59:52,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.5538461538461539) internal successors, (202), 161 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:59:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2024-11-28 02:59:52,715 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 242 transitions. Word has length 31 [2024-11-28 02:59:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:52,715 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 242 transitions. [2024-11-28 02:59:52,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:59:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2024-11-28 02:59:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 02:59:52,718 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:52,718 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:52,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:52,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 02:59:52,919 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:52,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:52,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1337096471, now seen corresponding path program 1 times [2024-11-28 02:59:52,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:52,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385975261] [2024-11-28 02:59:52,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:52,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:53,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:53,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385975261] [2024-11-28 02:59:53,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385975261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:53,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:53,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:53,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174229252] [2024-11-28 02:59:53,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:53,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:53,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:53,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:53,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:53,093 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:53,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:53,371 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2024-11-28 02:59:53,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:53,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2024-11-28 02:59:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:53,375 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:59:53,376 INFO L226 Difference]: Without dead ends: 217 [2024-11-28 02:59:53,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:53,377 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 133 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:53,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 90 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:53,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-28 02:59:53,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2024-11-28 02:59:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.5303030303030303) internal successors, (202), 163 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:59:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2024-11-28 02:59:53,408 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 51 [2024-11-28 02:59:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:53,409 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2024-11-28 02:59:53,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2024-11-28 02:59:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-28 02:59:53,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:53,415 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:53,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:59:53,415 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:53,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:53,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1499682464, now seen corresponding path program 1 times [2024-11-28 02:59:53,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:53,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812602250] [2024-11-28 02:59:53,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:53,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:53,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:53,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812602250] [2024-11-28 02:59:53,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812602250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:53,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:53,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306176223] [2024-11-28 02:59:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:53,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:53,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:53,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:53,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:53,510 INFO L87 Difference]: Start difference. First operand 186 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:53,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:53,739 INFO L93 Difference]: Finished difference Result 219 states and 267 transitions. [2024-11-28 02:59:53,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:53,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2024-11-28 02:59:53,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:53,741 INFO L225 Difference]: With dead ends: 219 [2024-11-28 02:59:53,741 INFO L226 Difference]: Without dead ends: 217 [2024-11-28 02:59:53,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:53,742 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 130 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:53,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 92 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:53,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-28 02:59:53,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2024-11-28 02:59:53,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.507462686567164) internal successors, (202), 165 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:59:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 242 transitions. [2024-11-28 02:59:53,762 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 242 transitions. Word has length 52 [2024-11-28 02:59:53,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:53,763 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 242 transitions. [2024-11-28 02:59:53,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2024-11-28 02:59:53,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 02:59:53,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:53,764 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:53,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:59:53,765 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:53,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1914160030, now seen corresponding path program 1 times [2024-11-28 02:59:53,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:53,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466580612] [2024-11-28 02:59:53,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:53,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:53,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:53,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466580612] [2024-11-28 02:59:53,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466580612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:53,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:53,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:53,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640714481] [2024-11-28 02:59:53,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:53,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:53,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:53,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:53,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:53,969 INFO L87 Difference]: Start difference. First operand 188 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 02:59:54,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:54,073 INFO L93 Difference]: Finished difference Result 188 states and 242 transitions. [2024-11-28 02:59:54,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:54,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2024-11-28 02:59:54,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:54,075 INFO L225 Difference]: With dead ends: 188 [2024-11-28 02:59:54,075 INFO L226 Difference]: Without dead ends: 187 [2024-11-28 02:59:54,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:54,076 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:54,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 72 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:54,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-28 02:59:54,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-28 02:59:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 164 states have internal predecessors, (198), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:59:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 238 transitions. [2024-11-28 02:59:54,097 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 238 transitions. Word has length 54 [2024-11-28 02:59:54,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:54,098 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 238 transitions. [2024-11-28 02:59:54,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 02:59:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2024-11-28 02:59:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 02:59:54,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:54,100 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:54,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:59:54,100 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:54,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:54,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1914160072, now seen corresponding path program 1 times [2024-11-28 02:59:54,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:54,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583275882] [2024-11-28 02:59:54,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:54,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:54,207 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:54,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:54,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583275882] [2024-11-28 02:59:54,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583275882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:54,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:54,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:59:54,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018396301] [2024-11-28 02:59:54,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:54,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:59:54,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:54,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:59:54,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:54,209 INFO L87 Difference]: Start difference. First operand 187 states and 238 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:54,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:54,292 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2024-11-28 02:59:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:59:54,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-28 02:59:54,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:54,295 INFO L225 Difference]: With dead ends: 192 [2024-11-28 02:59:54,295 INFO L226 Difference]: Without dead ends: 191 [2024-11-28 02:59:54,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:59:54,298 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:54,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 146 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:54,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-28 02:59:54,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-11-28 02:59:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 164 states have internal predecessors, (197), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 02:59:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2024-11-28 02:59:54,322 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 237 transitions. Word has length 54 [2024-11-28 02:59:54,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:54,322 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 237 transitions. [2024-11-28 02:59:54,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 237 transitions. [2024-11-28 02:59:54,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 02:59:54,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:54,324 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:54,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:59:54,324 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:54,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:54,325 INFO L85 PathProgramCache]: Analyzing trace with hash 790581328, now seen corresponding path program 1 times [2024-11-28 02:59:54,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:54,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471064348] [2024-11-28 02:59:54,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:54,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:54,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:54,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471064348] [2024-11-28 02:59:54,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471064348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:54,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:54,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:59:54,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130105976] [2024-11-28 02:59:54,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:54,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:59:54,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:54,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:59:54,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:59:54,448 INFO L87 Difference]: Start difference. First operand 187 states and 237 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:55,028 INFO L93 Difference]: Finished difference Result 259 states and 327 transitions. [2024-11-28 02:59:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:59:55,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-28 02:59:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:55,031 INFO L225 Difference]: With dead ends: 259 [2024-11-28 02:59:55,031 INFO L226 Difference]: Without dead ends: 258 [2024-11-28 02:59:55,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:59:55,032 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 317 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:55,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 278 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:59:55,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-28 02:59:55,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 222. [2024-11-28 02:59:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 194 states have internal predecessors, (241), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 02:59:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 291 transitions. [2024-11-28 02:59:55,060 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 291 transitions. Word has length 55 [2024-11-28 02:59:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:55,061 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 291 transitions. [2024-11-28 02:59:55,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 291 transitions. [2024-11-28 02:59:55,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 02:59:55,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:55,062 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:55,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:59:55,063 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:55,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:55,064 INFO L85 PathProgramCache]: Analyzing trace with hash 790580046, now seen corresponding path program 1 times [2024-11-28 02:59:55,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:55,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665420690] [2024-11-28 02:59:55,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:55,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:55,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:55,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665420690] [2024-11-28 02:59:55,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665420690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:55,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:55,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:59:55,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928111105] [2024-11-28 02:59:55,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:55,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:59:55,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:55,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:59:55,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:59:55,189 INFO L87 Difference]: Start difference. First operand 222 states and 291 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 02:59:55,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:55,377 INFO L93 Difference]: Finished difference Result 368 states and 495 transitions. [2024-11-28 02:59:55,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:59:55,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2024-11-28 02:59:55,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:55,380 INFO L225 Difference]: With dead ends: 368 [2024-11-28 02:59:55,380 INFO L226 Difference]: Without dead ends: 367 [2024-11-28 02:59:55,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:55,381 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 192 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:55,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 217 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:55,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-28 02:59:55,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 334. [2024-11-28 02:59:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 261 states have (on average 1.5134099616858236) internal successors, (395), 291 states have internal predecessors, (395), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:59:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 475 transitions. [2024-11-28 02:59:55,421 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 475 transitions. Word has length 55 [2024-11-28 02:59:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:55,421 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 475 transitions. [2024-11-28 02:59:55,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-28 02:59:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 475 transitions. [2024-11-28 02:59:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 02:59:55,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:55,423 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:55,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:59:55,423 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:55,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:55,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1261822214, now seen corresponding path program 1 times [2024-11-28 02:59:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:55,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6791474] [2024-11-28 02:59:55,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:55,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:55,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:55,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6791474] [2024-11-28 02:59:55,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6791474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:55,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:55,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:59:55,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614718052] [2024-11-28 02:59:55,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:55,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:59:55,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:55,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:59:55,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:55,540 INFO L87 Difference]: Start difference. First operand 334 states and 475 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:55,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:55,782 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2024-11-28 02:59:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:59:55,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-11-28 02:59:55,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:55,784 INFO L225 Difference]: With dead ends: 361 [2024-11-28 02:59:55,784 INFO L226 Difference]: Without dead ends: 359 [2024-11-28 02:59:55,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:59:55,785 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:55,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 165 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:55,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-28 02:59:55,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 338. [2024-11-28 02:59:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 295 states have internal predecessors, (399), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:59:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 479 transitions. [2024-11-28 02:59:55,822 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 479 transitions. Word has length 56 [2024-11-28 02:59:55,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:55,822 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 479 transitions. [2024-11-28 02:59:55,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 479 transitions. [2024-11-28 02:59:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-28 02:59:55,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:55,823 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:55,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:59:55,824 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:55,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:55,825 INFO L85 PathProgramCache]: Analyzing trace with hash -192056259, now seen corresponding path program 1 times [2024-11-28 02:59:55,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:55,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396757234] [2024-11-28 02:59:55,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:55,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:55,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:55,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396757234] [2024-11-28 02:59:55,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396757234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:55,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669612762] [2024-11-28 02:59:55,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:55,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:55,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:55,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:55,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:59:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:56,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:59:56,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 02:59:56,213 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:59:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:56,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669612762] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:56,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-28 02:59:56,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-28 02:59:56,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630500938] [2024-11-28 02:59:56,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:56,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:59:56,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:56,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:59:56,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:59:56,406 INFO L87 Difference]: Start difference. First operand 338 states and 479 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:56,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:56,605 INFO L93 Difference]: Finished difference Result 373 states and 504 transitions. [2024-11-28 02:59:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:59:56,606 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-28 02:59:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:56,608 INFO L225 Difference]: With dead ends: 373 [2024-11-28 02:59:56,608 INFO L226 Difference]: Without dead ends: 371 [2024-11-28 02:59:56,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-28 02:59:56,609 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 110 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:56,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 394 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:59:56,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-28 02:59:56,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 346. [2024-11-28 02:59:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 271 states have (on average 1.4649446494464944) internal successors, (397), 301 states have internal predecessors, (397), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 02:59:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2024-11-28 02:59:56,649 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 60 [2024-11-28 02:59:56,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:56,649 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2024-11-28 02:59:56,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 02:59:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2024-11-28 02:59:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 02:59:56,650 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:56,650 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:56,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 02:59:56,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:56,852 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:56,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:56,852 INFO L85 PathProgramCache]: Analyzing trace with hash 117530584, now seen corresponding path program 1 times [2024-11-28 02:59:56,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:56,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632285791] [2024-11-28 02:59:56,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:56,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:56,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:56,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632285791] [2024-11-28 02:59:56,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632285791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:59:56,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496318266] [2024-11-28 02:59:56,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:56,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:56,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:56,996 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:56,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 02:59:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:57,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 02:59:57,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 02:59:57,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:59:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 02:59:57,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496318266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:59:57,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:59:57,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-28 02:59:57,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875876580] [2024-11-28 02:59:57,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:59:57,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:59:57,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:57,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:59:57,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:59:57,382 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-28 02:59:57,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:57,690 INFO L93 Difference]: Finished difference Result 637 states and 826 transitions. [2024-11-28 02:59:57,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 02:59:57,690 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 62 [2024-11-28 02:59:57,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:57,693 INFO L225 Difference]: With dead ends: 637 [2024-11-28 02:59:57,693 INFO L226 Difference]: Without dead ends: 478 [2024-11-28 02:59:57,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:59:57,696 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 107 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:57,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 751 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:59:57,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-28 02:59:57,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 433. [2024-11-28 02:59:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 344 states have (on average 1.433139534883721) internal successors, (493), 376 states have internal predecessors, (493), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-28 02:59:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2024-11-28 02:59:57,740 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 62 [2024-11-28 02:59:57,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:57,740 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2024-11-28 02:59:57,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-28 02:59:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2024-11-28 02:59:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-28 02:59:57,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:57,742 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:57,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:57,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:57,943 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:57,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:57,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1968890015, now seen corresponding path program 1 times [2024-11-28 02:59:57,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:57,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926508922] [2024-11-28 02:59:57,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:57,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:57,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2094503697] [2024-11-28 02:59:57,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:57,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:57,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:57,973 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:57,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 02:59:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:58,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:59:58,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 02:59:58,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:59:58,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:59:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926508922] [2024-11-28 02:59:58,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 02:59:58,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094503697] [2024-11-28 02:59:58,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094503697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:59:58,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:59:58,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:59:58,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289805097] [2024-11-28 02:59:58,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:59:58,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:59:58,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:59:58,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:59:58,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:59:58,480 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 02:59:59,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:59:59,034 INFO L93 Difference]: Finished difference Result 626 states and 867 transitions. [2024-11-28 02:59:59,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:59:59,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2024-11-28 02:59:59,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:59:59,039 INFO L225 Difference]: With dead ends: 626 [2024-11-28 02:59:59,039 INFO L226 Difference]: Without dead ends: 617 [2024-11-28 02:59:59,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:59:59,040 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 300 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:59:59,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 176 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:59:59,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-28 02:59:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 588. [2024-11-28 02:59:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 479 states have (on average 1.407098121085595) internal successors, (674), 511 states have internal predecessors, (674), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-28 02:59:59,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 814 transitions. [2024-11-28 02:59:59,103 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 814 transitions. Word has length 69 [2024-11-28 02:59:59,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:59:59,103 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 814 transitions. [2024-11-28 02:59:59,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 02:59:59,103 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 814 transitions. [2024-11-28 02:59:59,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-28 02:59:59,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:59:59,104 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:59:59,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:59:59,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 02:59:59,305 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 02:59:59,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:59:59,306 INFO L85 PathProgramCache]: Analyzing trace with hash -906048259, now seen corresponding path program 1 times [2024-11-28 02:59:59,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:59:59,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809300417] [2024-11-28 02:59:59,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:59,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:59:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:59:59,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086360687] [2024-11-28 02:59:59,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:59:59,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:59:59,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:59:59,332 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:59:59,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 02:59:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:59,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:59:59,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 02:59:59,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:00,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:00,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809300417] [2024-11-28 03:00:00,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:00,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086360687] [2024-11-28 03:00:00,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086360687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:00,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:00,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 03:00:00,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578573045] [2024-11-28 03:00:00,251 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:00,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:00:00,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:00,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:00:00,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:00:00,253 INFO L87 Difference]: Start difference. First operand 588 states and 814 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:00,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:00,651 INFO L93 Difference]: Finished difference Result 657 states and 894 transitions. [2024-11-28 03:00:00,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:00:00,652 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2024-11-28 03:00:00,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:00,656 INFO L225 Difference]: With dead ends: 657 [2024-11-28 03:00:00,656 INFO L226 Difference]: Without dead ends: 654 [2024-11-28 03:00:00,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:00:00,660 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 152 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:00,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 195 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:00:00,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-28 03:00:00,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 619. [2024-11-28 03:00:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 506 states have (on average 1.4051383399209487) internal successors, (711), 537 states have internal predecessors, (711), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 03:00:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 859 transitions. [2024-11-28 03:00:00,738 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 859 transitions. Word has length 70 [2024-11-28 03:00:00,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:00,738 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 859 transitions. [2024-11-28 03:00:00,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 859 transitions. [2024-11-28 03:00:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 03:00:00,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:00,739 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:00,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:00,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:00,940 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:00,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:00,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1800987109, now seen corresponding path program 1 times [2024-11-28 03:00:00,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:00,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4258688] [2024-11-28 03:00:00,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:00,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:00:00,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [384088185] [2024-11-28 03:00:00,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:00,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:00,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:00,969 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:00,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 03:00:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:01,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:00:01,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 03:00:01,260 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:00:01,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4258688] [2024-11-28 03:00:01,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384088185] [2024-11-28 03:00:01,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384088185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:01,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:01,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:00:01,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717834432] [2024-11-28 03:00:01,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:01,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:00:01,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:01,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:00:01,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:00:01,262 INFO L87 Difference]: Start difference. First operand 619 states and 859 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:01,659 INFO L93 Difference]: Finished difference Result 658 states and 927 transitions. [2024-11-28 03:00:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:00:01,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-28 03:00:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:01,666 INFO L225 Difference]: With dead ends: 658 [2024-11-28 03:00:01,666 INFO L226 Difference]: Without dead ends: 654 [2024-11-28 03:00:01,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:00:01,668 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 157 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:01,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 218 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:00:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-28 03:00:01,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 615. [2024-11-28 03:00:01,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 506 states have (on average 1.3794466403162056) internal successors, (698), 533 states have internal predecessors, (698), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-28 03:00:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 846 transitions. [2024-11-28 03:00:01,738 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 846 transitions. Word has length 71 [2024-11-28 03:00:01,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:01,738 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 846 transitions. [2024-11-28 03:00:01,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 846 transitions. [2024-11-28 03:00:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 03:00:01,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:01,739 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:01,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 03:00:01,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-28 03:00:01,940 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:01,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:01,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1977275107, now seen corresponding path program 1 times [2024-11-28 03:00:01,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:01,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194892285] [2024-11-28 03:00:01,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:01,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 03:00:02,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:02,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194892285] [2024-11-28 03:00:02,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194892285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:02,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:02,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:00:02,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88923382] [2024-11-28 03:00:02,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:02,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:00:02,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:02,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:00:02,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:00:02,044 INFO L87 Difference]: Start difference. First operand 615 states and 846 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:02,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:02,656 INFO L93 Difference]: Finished difference Result 886 states and 1244 transitions. [2024-11-28 03:00:02,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:00:02,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2024-11-28 03:00:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:02,661 INFO L225 Difference]: With dead ends: 886 [2024-11-28 03:00:02,662 INFO L226 Difference]: Without dead ends: 883 [2024-11-28 03:00:02,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:00:02,663 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 142 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:02,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 237 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:00:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-28 03:00:02,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 634. [2024-11-28 03:00:02,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 522 states have (on average 1.3639846743295019) internal successors, (712), 548 states have internal predecessors, (712), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 03:00:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 868 transitions. [2024-11-28 03:00:02,741 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 868 transitions. Word has length 71 [2024-11-28 03:00:02,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:02,742 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 868 transitions. [2024-11-28 03:00:02,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 868 transitions. [2024-11-28 03:00:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 03:00:02,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:02,743 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:02,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:00:02,743 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:02,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:02,744 INFO L85 PathProgramCache]: Analyzing trace with hash 3974559, now seen corresponding path program 1 times [2024-11-28 03:00:02,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:02,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92385471] [2024-11-28 03:00:02,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:02,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:00:02,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [467371826] [2024-11-28 03:00:02,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:02,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:02,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:02,763 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:02,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 03:00:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:02,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:00:02,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 03:00:03,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:03,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92385471] [2024-11-28 03:00:03,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467371826] [2024-11-28 03:00:03,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467371826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:03,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:03,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 03:00:03,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011268431] [2024-11-28 03:00:03,251 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:03,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:00:03,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:03,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:00:03,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:00:03,252 INFO L87 Difference]: Start difference. First operand 634 states and 868 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:03,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:03,773 INFO L93 Difference]: Finished difference Result 1002 states and 1431 transitions. [2024-11-28 03:00:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:00:03,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-28 03:00:03,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:03,779 INFO L225 Difference]: With dead ends: 1002 [2024-11-28 03:00:03,779 INFO L226 Difference]: Without dead ends: 998 [2024-11-28 03:00:03,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:00:03,780 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 154 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:03,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 346 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:00:03,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-28 03:00:03,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 791. [2024-11-28 03:00:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 659 states have (on average 1.370257966616085) internal successors, (903), 684 states have internal predecessors, (903), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-28 03:00:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1099 transitions. [2024-11-28 03:00:03,868 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1099 transitions. Word has length 72 [2024-11-28 03:00:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:03,869 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1099 transitions. [2024-11-28 03:00:03,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1099 transitions. [2024-11-28 03:00:03,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 03:00:03,870 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:03,871 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:03,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 03:00:04,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 03:00:04,073 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:04,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:04,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1165986239, now seen corresponding path program 1 times [2024-11-28 03:00:04,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:04,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320085523] [2024-11-28 03:00:04,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:04,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:00:04,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [950314497] [2024-11-28 03:00:04,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:04,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:04,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:04,094 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:04,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 03:00:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:04,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:00:04,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 03:00:04,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:16,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:16,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320085523] [2024-11-28 03:00:16,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:16,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950314497] [2024-11-28 03:00:16,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950314497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:16,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:16,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 03:00:16,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945113151] [2024-11-28 03:00:16,831 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:16,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:00:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:16,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:00:16,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=80, Unknown=3, NotChecked=0, Total=110 [2024-11-28 03:00:16,832 INFO L87 Difference]: Start difference. First operand 791 states and 1099 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:17,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:17,548 INFO L93 Difference]: Finished difference Result 822 states and 1122 transitions. [2024-11-28 03:00:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:00:17,549 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2024-11-28 03:00:17,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:17,554 INFO L225 Difference]: With dead ends: 822 [2024-11-28 03:00:17,554 INFO L226 Difference]: Without dead ends: 815 [2024-11-28 03:00:17,555 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=52, Invalid=155, Unknown=3, NotChecked=0, Total=210 [2024-11-28 03:00:17,555 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 264 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:17,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 274 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:00:17,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2024-11-28 03:00:17,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 789. [2024-11-28 03:00:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 657 states have (on average 1.3637747336377473) internal successors, (896), 682 states have internal predecessors, (896), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-28 03:00:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1092 transitions. [2024-11-28 03:00:17,654 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1092 transitions. Word has length 72 [2024-11-28 03:00:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:17,654 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1092 transitions. [2024-11-28 03:00:17,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-28 03:00:17,654 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1092 transitions. [2024-11-28 03:00:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-28 03:00:17,657 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:17,658 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:17,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 03:00:17,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 03:00:17,858 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:17,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:17,859 INFO L85 PathProgramCache]: Analyzing trace with hash -763109084, now seen corresponding path program 1 times [2024-11-28 03:00:17,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:17,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688330698] [2024-11-28 03:00:17,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:17,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688330698] [2024-11-28 03:00:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688330698] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373390438] [2024-11-28 03:00:17,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:17,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:17,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:17,953 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:17,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 03:00:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:18,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:00:18,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:18,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:18,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373390438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:00:18,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:00:18,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 03:00:18,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991588910] [2024-11-28 03:00:18,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:18,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:00:18,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:18,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:00:18,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:00:18,298 INFO L87 Difference]: Start difference. First operand 789 states and 1092 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-28 03:00:19,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:19,252 INFO L93 Difference]: Finished difference Result 1321 states and 1885 transitions. [2024-11-28 03:00:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:00:19,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 92 [2024-11-28 03:00:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:19,262 INFO L225 Difference]: With dead ends: 1321 [2024-11-28 03:00:19,262 INFO L226 Difference]: Without dead ends: 1319 [2024-11-28 03:00:19,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:00:19,264 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 318 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:19,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 390 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:00:19,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2024-11-28 03:00:19,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1034. [2024-11-28 03:00:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 861 states have (on average 1.3704994192799071) internal successors, (1180), 885 states have internal predecessors, (1180), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-28 03:00:19,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1460 transitions. [2024-11-28 03:00:19,378 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1460 transitions. Word has length 92 [2024-11-28 03:00:19,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:19,378 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1460 transitions. [2024-11-28 03:00:19,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-28 03:00:19,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1460 transitions. [2024-11-28 03:00:19,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 03:00:19,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:19,379 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:19,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:19,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 03:00:19,584 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:19,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:19,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2113422277, now seen corresponding path program 1 times [2024-11-28 03:00:19,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:19,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683725532] [2024-11-28 03:00:19,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:19,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:19,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:19,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683725532] [2024-11-28 03:00:19,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683725532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:19,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688165598] [2024-11-28 03:00:19,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:19,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:19,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:19,701 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:19,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 03:00:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:19,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:00:19,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:19,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:20,027 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:20,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688165598] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:00:20,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:00:20,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-28 03:00:20,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143154937] [2024-11-28 03:00:20,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:20,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:00:20,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:20,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:00:20,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:00:20,030 INFO L87 Difference]: Start difference. First operand 1034 states and 1460 transitions. Second operand has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-28 03:00:21,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:21,147 INFO L93 Difference]: Finished difference Result 1351 states and 1892 transitions. [2024-11-28 03:00:21,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:00:21,147 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2024-11-28 03:00:21,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:21,153 INFO L225 Difference]: With dead ends: 1351 [2024-11-28 03:00:21,153 INFO L226 Difference]: Without dead ends: 1349 [2024-11-28 03:00:21,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:00:21,157 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 850 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:21,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 497 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:00:21,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-11-28 03:00:21,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1038. [2024-11-28 03:00:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 866 states have (on average 1.3325635103926097) internal successors, (1154), 889 states have internal predecessors, (1154), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-28 03:00:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1434 transitions. [2024-11-28 03:00:21,279 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1434 transitions. Word has length 93 [2024-11-28 03:00:21,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:21,279 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1434 transitions. [2024-11-28 03:00:21,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-28 03:00:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1434 transitions. [2024-11-28 03:00:21,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 03:00:21,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:21,280 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:21,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 03:00:21,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 03:00:21,481 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:21,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:21,482 INFO L85 PathProgramCache]: Analyzing trace with hash -520719331, now seen corresponding path program 1 times [2024-11-28 03:00:21,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:21,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020704652] [2024-11-28 03:00:21,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:21,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:21,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:21,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020704652] [2024-11-28 03:00:21,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020704652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:21,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:21,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:00:21,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413803498] [2024-11-28 03:00:21,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:21,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:00:21,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:21,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:00:21,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:00:21,553 INFO L87 Difference]: Start difference. First operand 1038 states and 1434 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 03:00:21,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:21,693 INFO L93 Difference]: Finished difference Result 1038 states and 1434 transitions. [2024-11-28 03:00:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:00:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2024-11-28 03:00:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:21,698 INFO L225 Difference]: With dead ends: 1038 [2024-11-28 03:00:21,698 INFO L226 Difference]: Without dead ends: 1037 [2024-11-28 03:00:21,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:00:21,700 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 20 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:21,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:00:21,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-11-28 03:00:21,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2024-11-28 03:00:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 866 states have (on average 1.3221709006928406) internal successors, (1145), 888 states have internal predecessors, (1145), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-28 03:00:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1425 transitions. [2024-11-28 03:00:21,825 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1425 transitions. Word has length 95 [2024-11-28 03:00:21,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:21,825 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1425 transitions. [2024-11-28 03:00:21,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 03:00:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1425 transitions. [2024-11-28 03:00:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 03:00:21,827 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:21,827 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:21,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 03:00:21,827 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:21,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:21,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2099900831, now seen corresponding path program 1 times [2024-11-28 03:00:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:21,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275246167] [2024-11-28 03:00:21,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:21,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:21,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275246167] [2024-11-28 03:00:21,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275246167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:21,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317530708] [2024-11-28 03:00:21,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:21,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:21,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:21,958 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:21,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 03:00:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:22,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:00:22,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:22,236 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:00:22,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317530708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:22,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:22,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-28 03:00:22,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79289306] [2024-11-28 03:00:22,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:22,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:00:22,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:22,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:00:22,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:00:22,238 INFO L87 Difference]: Start difference. First operand 1037 states and 1425 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 03:00:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:22,525 INFO L93 Difference]: Finished difference Result 1055 states and 1456 transitions. [2024-11-28 03:00:22,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:00:22,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2024-11-28 03:00:22,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:22,531 INFO L225 Difference]: With dead ends: 1055 [2024-11-28 03:00:22,531 INFO L226 Difference]: Without dead ends: 1054 [2024-11-28 03:00:22,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:00:22,534 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:22,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 154 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:00:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-11-28 03:00:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1036. [2024-11-28 03:00:22,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 866 states have (on average 1.3140877598152425) internal successors, (1138), 887 states have internal predecessors, (1138), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-28 03:00:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1418 transitions. [2024-11-28 03:00:22,644 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1418 transitions. Word has length 97 [2024-11-28 03:00:22,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:22,645 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1418 transitions. [2024-11-28 03:00:22,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-28 03:00:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1418 transitions. [2024-11-28 03:00:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 03:00:22,646 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:22,646 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:22,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 03:00:22,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:22,847 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:22,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:22,847 INFO L85 PathProgramCache]: Analyzing trace with hash 672416459, now seen corresponding path program 1 times [2024-11-28 03:00:22,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:22,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76894467] [2024-11-28 03:00:22,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:22,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:22,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:22,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76894467] [2024-11-28 03:00:22,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76894467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:22,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810261927] [2024-11-28 03:00:22,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:22,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:22,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:22,979 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:22,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 03:00:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:23,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:00:23,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:23,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-28 03:00:23,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810261927] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:00:23,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:00:23,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-28 03:00:23,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428013314] [2024-11-28 03:00:23,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:23,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:00:23,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:23,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:00:23,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:00:23,427 INFO L87 Difference]: Start difference. First operand 1036 states and 1418 transitions. Second operand has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-28 03:00:24,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:24,094 INFO L93 Difference]: Finished difference Result 1431 states and 1978 transitions. [2024-11-28 03:00:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:00:24,095 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 98 [2024-11-28 03:00:24,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:24,101 INFO L225 Difference]: With dead ends: 1431 [2024-11-28 03:00:24,101 INFO L226 Difference]: Without dead ends: 1429 [2024-11-28 03:00:24,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:00:24,103 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 348 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:24,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 369 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:00:24,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2024-11-28 03:00:24,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1186. [2024-11-28 03:00:24,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 998 states have (on average 1.312625250501002) internal successors, (1310), 1019 states have internal predecessors, (1310), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-28 03:00:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1626 transitions. [2024-11-28 03:00:24,228 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1626 transitions. Word has length 98 [2024-11-28 03:00:24,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:24,231 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1626 transitions. [2024-11-28 03:00:24,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-28 03:00:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1626 transitions. [2024-11-28 03:00:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 03:00:24,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:24,236 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:24,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 03:00:24,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:24,437 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:24,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:24,438 INFO L85 PathProgramCache]: Analyzing trace with hash -184680476, now seen corresponding path program 1 times [2024-11-28 03:00:24,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:24,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188685570] [2024-11-28 03:00:24,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:24,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:24,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:24,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188685570] [2024-11-28 03:00:24,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188685570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:24,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573390320] [2024-11-28 03:00:24,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:24,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:24,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:24,595 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:24,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 03:00:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:24,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:00:24,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:24,861 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:25,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573390320] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:00:25,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:00:25,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-28 03:00:25,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673002746] [2024-11-28 03:00:25,143 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:25,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:00:25,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:25,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:00:25,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:00:25,145 INFO L87 Difference]: Start difference. First operand 1186 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-28 03:00:25,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:25,814 INFO L93 Difference]: Finished difference Result 1231 states and 1674 transitions. [2024-11-28 03:00:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:00:25,814 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 108 [2024-11-28 03:00:25,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:25,820 INFO L225 Difference]: With dead ends: 1231 [2024-11-28 03:00:25,820 INFO L226 Difference]: Without dead ends: 1230 [2024-11-28 03:00:25,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:00:25,823 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 390 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:25,823 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 355 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:00:25,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-28 03:00:25,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1115. [2024-11-28 03:00:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 938 states have (on average 1.3091684434968016) internal successors, (1228), 958 states have internal predecessors, (1228), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-28 03:00:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1524 transitions. [2024-11-28 03:00:25,931 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1524 transitions. Word has length 108 [2024-11-28 03:00:25,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:25,931 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1524 transitions. [2024-11-28 03:00:25,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-28 03:00:25,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1524 transitions. [2024-11-28 03:00:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:00:25,933 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:25,933 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:25,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:26,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 03:00:26,137 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:26,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:26,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2029841073, now seen corresponding path program 1 times [2024-11-28 03:00:26,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:26,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544025571] [2024-11-28 03:00:26,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:26,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:26,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544025571] [2024-11-28 03:00:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544025571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168242465] [2024-11-28 03:00:26,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:26,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:26,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:26,310 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:26,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 03:00:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:26,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:00:26,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-28 03:00:26,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:26,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168242465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:00:26,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:00:26,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-28 03:00:26,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243512082] [2024-11-28 03:00:26,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:26,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:00:26,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:26,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:00:26,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:00:26,839 INFO L87 Difference]: Start difference. First operand 1115 states and 1524 transitions. Second operand has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-28 03:00:27,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:27,683 INFO L93 Difference]: Finished difference Result 1844 states and 2437 transitions. [2024-11-28 03:00:27,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-28 03:00:27,683 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2024-11-28 03:00:27,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:27,689 INFO L225 Difference]: With dead ends: 1844 [2024-11-28 03:00:27,689 INFO L226 Difference]: Without dead ends: 1582 [2024-11-28 03:00:27,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-28 03:00:27,691 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 371 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:27,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 732 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:00:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2024-11-28 03:00:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1385. [2024-11-28 03:00:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1169 states have (on average 1.2891360136869119) internal successors, (1507), 1189 states have internal predecessors, (1507), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-28 03:00:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1869 transitions. [2024-11-28 03:00:27,823 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1869 transitions. Word has length 110 [2024-11-28 03:00:27,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:27,824 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1869 transitions. [2024-11-28 03:00:27,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-28 03:00:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1869 transitions. [2024-11-28 03:00:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-28 03:00:27,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:27,826 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:27,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-28 03:00:28,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:28,028 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:28,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:28,029 INFO L85 PathProgramCache]: Analyzing trace with hash 402489564, now seen corresponding path program 1 times [2024-11-28 03:00:28,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:28,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530320085] [2024-11-28 03:00:28,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:28,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:00:28,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1904668656] [2024-11-28 03:00:28,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:28,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:28,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:28,048 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:28,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 03:00:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:28,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:00:28,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:28,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:28,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:28,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530320085] [2024-11-28 03:00:28,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:28,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904668656] [2024-11-28 03:00:28,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904668656] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:28,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:28,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 03:00:28,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857186839] [2024-11-28 03:00:28,997 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:28,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:00:28,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:28,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:00:28,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:00:28,998 INFO L87 Difference]: Start difference. First operand 1385 states and 1869 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 03:00:29,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:29,988 INFO L93 Difference]: Finished difference Result 2634 states and 3648 transitions. [2024-11-28 03:00:29,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:00:29,989 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2024-11-28 03:00:29,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:29,999 INFO L225 Difference]: With dead ends: 2634 [2024-11-28 03:00:30,000 INFO L226 Difference]: Without dead ends: 2631 [2024-11-28 03:00:30,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:00:30,001 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 273 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:30,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 343 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:00:30,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2024-11-28 03:00:30,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 1441. [2024-11-28 03:00:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1216 states have (on average 1.2886513157894737) internal successors, (1567), 1236 states have internal predecessors, (1567), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:00:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1947 transitions. [2024-11-28 03:00:30,177 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1947 transitions. Word has length 110 [2024-11-28 03:00:30,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:30,177 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1947 transitions. [2024-11-28 03:00:30,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 03:00:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1947 transitions. [2024-11-28 03:00:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-28 03:00:30,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:30,179 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:30,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:30,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:30,380 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:30,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:30,380 INFO L85 PathProgramCache]: Analyzing trace with hash -407725342, now seen corresponding path program 1 times [2024-11-28 03:00:30,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:30,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670687232] [2024-11-28 03:00:30,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:30,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:00:30,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1515994358] [2024-11-28 03:00:30,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:30,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:30,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:30,402 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:30,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 03:00:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:30,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:00:30,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:31,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:31,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:31,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670687232] [2024-11-28 03:00:31,511 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:31,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515994358] [2024-11-28 03:00:31,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515994358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:31,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:31,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 03:00:31,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365538545] [2024-11-28 03:00:31,511 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:31,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:00:31,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:31,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:00:31,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:00:31,513 INFO L87 Difference]: Start difference. First operand 1441 states and 1947 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 03:00:32,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:32,273 INFO L93 Difference]: Finished difference Result 1587 states and 2134 transitions. [2024-11-28 03:00:32,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:00:32,273 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 111 [2024-11-28 03:00:32,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:32,280 INFO L225 Difference]: With dead ends: 1587 [2024-11-28 03:00:32,280 INFO L226 Difference]: Without dead ends: 1584 [2024-11-28 03:00:32,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:00:32,281 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 84 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:32,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 429 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:00:32,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2024-11-28 03:00:32,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1555. [2024-11-28 03:00:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1313 states have (on average 1.2871287128712872) internal successors, (1690), 1333 states have internal predecessors, (1690), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-28 03:00:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2104 transitions. [2024-11-28 03:00:32,451 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2104 transitions. Word has length 111 [2024-11-28 03:00:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:32,452 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2104 transitions. [2024-11-28 03:00:32,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 03:00:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2104 transitions. [2024-11-28 03:00:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-28 03:00:32,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:32,454 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:32,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 03:00:32,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-28 03:00:32,655 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:32,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:32,656 INFO L85 PathProgramCache]: Analyzing trace with hash 245416350, now seen corresponding path program 1 times [2024-11-28 03:00:32,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:32,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546385438] [2024-11-28 03:00:32,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:32,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:32,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:32,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546385438] [2024-11-28 03:00:32,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546385438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:32,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:32,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:00:32,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189413671] [2024-11-28 03:00:32,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:32,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:00:32,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:32,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:00:32,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:00:32,758 INFO L87 Difference]: Start difference. First operand 1555 states and 2104 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:00:33,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:33,395 INFO L93 Difference]: Finished difference Result 1562 states and 2107 transitions. [2024-11-28 03:00:33,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:00:33,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2024-11-28 03:00:33,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:33,401 INFO L225 Difference]: With dead ends: 1562 [2024-11-28 03:00:33,401 INFO L226 Difference]: Without dead ends: 1560 [2024-11-28 03:00:33,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:00:33,403 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 105 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:33,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 226 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:00:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2024-11-28 03:00:33,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1521. [2024-11-28 03:00:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2785992217898832) internal successors, (1643), 1303 states have internal predecessors, (1643), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-28 03:00:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2049 transitions. [2024-11-28 03:00:33,557 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2049 transitions. Word has length 112 [2024-11-28 03:00:33,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:33,558 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2049 transitions. [2024-11-28 03:00:33,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:00:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2049 transitions. [2024-11-28 03:00:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 03:00:33,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:33,560 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:33,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 03:00:33,560 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:33,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:33,561 INFO L85 PathProgramCache]: Analyzing trace with hash -2144039356, now seen corresponding path program 2 times [2024-11-28 03:00:33,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:33,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276725986] [2024-11-28 03:00:33,561 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:33,591 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:33,591 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:00:33,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153101291] [2024-11-28 03:00:33,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:33,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:33,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:33,595 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:33,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 03:00:33,664 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:33,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:00:33,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:00:33,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-28 03:00:34,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:34,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:34,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276725986] [2024-11-28 03:00:34,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:34,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153101291] [2024-11-28 03:00:34,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153101291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:34,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:34,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:00:34,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849917757] [2024-11-28 03:00:34,280 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:34,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:00:34,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:34,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:00:34,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:00:34,281 INFO L87 Difference]: Start difference. First operand 1521 states and 2049 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 03:00:34,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:34,997 INFO L93 Difference]: Finished difference Result 1829 states and 2505 transitions. [2024-11-28 03:00:34,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:00:34,998 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 113 [2024-11-28 03:00:34,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:35,005 INFO L225 Difference]: With dead ends: 1829 [2024-11-28 03:00:35,005 INFO L226 Difference]: Without dead ends: 1825 [2024-11-28 03:00:35,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:00:35,008 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 221 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:35,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 423 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:00:35,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2024-11-28 03:00:35,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1521. [2024-11-28 03:00:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2622568093385214) internal successors, (1622), 1303 states have internal predecessors, (1622), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-28 03:00:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2028 transitions. [2024-11-28 03:00:35,176 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2028 transitions. Word has length 113 [2024-11-28 03:00:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:35,177 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2028 transitions. [2024-11-28 03:00:35,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-28 03:00:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2028 transitions. [2024-11-28 03:00:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 03:00:35,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:35,179 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:35,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-28 03:00:35,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:35,384 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:35,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:35,385 INFO L85 PathProgramCache]: Analyzing trace with hash -982027676, now seen corresponding path program 1 times [2024-11-28 03:00:35,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:35,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144890404] [2024-11-28 03:00:35,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:35,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:00:35,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31435090] [2024-11-28 03:00:35,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:35,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:35,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:35,411 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:35,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 03:00:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:35,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:00:35,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:00:35,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:44,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:44,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144890404] [2024-11-28 03:00:44,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:44,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31435090] [2024-11-28 03:00:44,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31435090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:44,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:44,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:00:44,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305910763] [2024-11-28 03:00:44,368 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:44,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:00:44,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:44,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:00:44,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=163, Unknown=2, NotChecked=0, Total=210 [2024-11-28 03:00:44,369 INFO L87 Difference]: Start difference. First operand 1521 states and 2028 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:00:44,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:44,992 INFO L93 Difference]: Finished difference Result 1547 states and 2045 transitions. [2024-11-28 03:00:44,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:00:44,992 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 113 [2024-11-28 03:00:44,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:44,998 INFO L225 Difference]: With dead ends: 1547 [2024-11-28 03:00:44,998 INFO L226 Difference]: Without dead ends: 1540 [2024-11-28 03:00:44,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=90, Invalid=328, Unknown=2, NotChecked=0, Total=420 [2024-11-28 03:00:45,004 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 210 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:45,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 357 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:00:45,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2024-11-28 03:00:45,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1387. [2024-11-28 03:00:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1171 states have (on average 1.2604611443210931) internal successors, (1476), 1190 states have internal predecessors, (1476), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-28 03:00:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1842 transitions. [2024-11-28 03:00:45,166 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1842 transitions. Word has length 113 [2024-11-28 03:00:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:45,166 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1842 transitions. [2024-11-28 03:00:45,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-28 03:00:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1842 transitions. [2024-11-28 03:00:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 03:00:45,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:45,168 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:00:45,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-28 03:00:45,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-28 03:00:45,372 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:45,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:45,372 INFO L85 PathProgramCache]: Analyzing trace with hash -345996567, now seen corresponding path program 2 times [2024-11-28 03:00:45,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:45,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313504304] [2024-11-28 03:00:45,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:45,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:45,392 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:45,392 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:00:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:00:45,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:45,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313504304] [2024-11-28 03:00:45,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313504304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:45,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:45,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:00:45,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385679429] [2024-11-28 03:00:45,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:45,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:00:45,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:45,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:00:45,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:00:45,473 INFO L87 Difference]: Start difference. First operand 1387 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 03:00:46,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:46,257 INFO L93 Difference]: Finished difference Result 2418 states and 3261 transitions. [2024-11-28 03:00:46,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:00:46,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 123 [2024-11-28 03:00:46,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:46,264 INFO L225 Difference]: With dead ends: 2418 [2024-11-28 03:00:46,264 INFO L226 Difference]: Without dead ends: 1424 [2024-11-28 03:00:46,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:00:46,267 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:46,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 178 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:00:46,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-28 03:00:46,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1357. [2024-11-28 03:00:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1145 states have (on average 1.2724890829694324) internal successors, (1457), 1163 states have internal predecessors, (1457), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-28 03:00:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1819 transitions. [2024-11-28 03:00:46,445 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1819 transitions. Word has length 123 [2024-11-28 03:00:46,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:46,445 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1819 transitions. [2024-11-28 03:00:46,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-28 03:00:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1819 transitions. [2024-11-28 03:00:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-28 03:00:46,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:46,447 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:46,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 03:00:46,447 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:46,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:46,448 INFO L85 PathProgramCache]: Analyzing trace with hash 262107551, now seen corresponding path program 1 times [2024-11-28 03:00:46,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:46,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703109526] [2024-11-28 03:00:46,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:46,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:46,665 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:00:46,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:46,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703109526] [2024-11-28 03:00:46,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703109526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:46,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366175673] [2024-11-28 03:00:46,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:00:46,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:46,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:46,671 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:46,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 03:00:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:00:46,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:00:46,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-28 03:00:46,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 03:00:47,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366175673] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:00:47,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:00:47,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-28 03:00:47,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381089871] [2024-11-28 03:00:47,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:47,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:00:47,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:47,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:00:47,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:00:47,227 INFO L87 Difference]: Start difference. First operand 1357 states and 1819 transitions. Second operand has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-28 03:00:47,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:47,828 INFO L93 Difference]: Finished difference Result 1987 states and 2609 transitions. [2024-11-28 03:00:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 03:00:47,829 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 125 [2024-11-28 03:00:47,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:47,838 INFO L225 Difference]: With dead ends: 1987 [2024-11-28 03:00:47,839 INFO L226 Difference]: Without dead ends: 1507 [2024-11-28 03:00:47,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 03:00:47,841 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:47,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 809 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:00:47,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-11-28 03:00:48,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1458. [2024-11-28 03:00:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1229 states have (on average 1.2530512611879576) internal successors, (1540), 1249 states have internal predecessors, (1540), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-28 03:00:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1920 transitions. [2024-11-28 03:00:48,021 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1920 transitions. Word has length 125 [2024-11-28 03:00:48,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:48,021 INFO L471 AbstractCegarLoop]: Abstraction has 1458 states and 1920 transitions. [2024-11-28 03:00:48,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2024-11-28 03:00:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1920 transitions. [2024-11-28 03:00:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 03:00:48,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:48,025 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:48,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:48,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:48,229 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:48,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:48,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1416021441, now seen corresponding path program 2 times [2024-11-28 03:00:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:48,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203226559] [2024-11-28 03:00:48,230 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:48,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:48,250 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:48,250 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:00:48,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638799069] [2024-11-28 03:00:48,251 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:48,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:48,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:48,254 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:48,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 03:00:48,333 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:48,333 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:00:48,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:00:48,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 03:00:48,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:00:48,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:48,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203226559] [2024-11-28 03:00:48,942 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:48,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638799069] [2024-11-28 03:00:48,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638799069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:00:48,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:00:48,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:00:48,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937147056] [2024-11-28 03:00:48,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:48,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:00:48,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:48,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:00:48,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:00:48,944 INFO L87 Difference]: Start difference. First operand 1458 states and 1920 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:00:49,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:49,642 INFO L93 Difference]: Finished difference Result 1991 states and 2670 transitions. [2024-11-28 03:00:49,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:00:49,643 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2024-11-28 03:00:49,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:49,647 INFO L225 Difference]: With dead ends: 1991 [2024-11-28 03:00:49,648 INFO L226 Difference]: Without dead ends: 1988 [2024-11-28 03:00:49,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:00:49,648 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 150 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:49,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 626 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:00:49,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2024-11-28 03:00:49,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1047. [2024-11-28 03:00:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 877 states have (on average 1.2075256556442417) internal successors, (1059), 894 states have internal predecessors, (1059), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-28 03:00:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1327 transitions. [2024-11-28 03:00:49,745 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1327 transitions. Word has length 151 [2024-11-28 03:00:49,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:49,746 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1327 transitions. [2024-11-28 03:00:49,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:00:49,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1327 transitions. [2024-11-28 03:00:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-28 03:00:49,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:49,748 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:49,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-28 03:00:49,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:49,952 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:49,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash 946991773, now seen corresponding path program 2 times [2024-11-28 03:00:49,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:49,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473246077] [2024-11-28 03:00:49,953 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:49,972 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:49,972 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:00:49,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032309019] [2024-11-28 03:00:49,973 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:49,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:49,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:49,977 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:49,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 03:00:50,055 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:50,056 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:00:50,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:00:50,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 03:00:50,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:51,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:51,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473246077] [2024-11-28 03:00:51,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:51,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032309019] [2024-11-28 03:00:51,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032309019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:51,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:51,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 03:00:51,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648575450] [2024-11-28 03:00:51,055 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:51,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:00:51,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:51,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:00:51,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:00:51,056 INFO L87 Difference]: Start difference. First operand 1047 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:00:51,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:51,477 INFO L93 Difference]: Finished difference Result 1174 states and 1492 transitions. [2024-11-28 03:00:51,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:00:51,478 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 152 [2024-11-28 03:00:51,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:51,481 INFO L225 Difference]: With dead ends: 1174 [2024-11-28 03:00:51,481 INFO L226 Difference]: Without dead ends: 1171 [2024-11-28 03:00:51,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:00:51,482 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 202 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:51,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 260 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:00:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2024-11-28 03:00:51,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1148. [2024-11-28 03:00:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 962 states have (on average 1.212058212058212) internal successors, (1166), 979 states have internal predecessors, (1166), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 03:00:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1466 transitions. [2024-11-28 03:00:51,586 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1466 transitions. Word has length 152 [2024-11-28 03:00:51,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:51,587 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1466 transitions. [2024-11-28 03:00:51,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-28 03:00:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1466 transitions. [2024-11-28 03:00:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 03:00:51,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:51,588 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:51,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-28 03:00:51,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:51,788 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:51,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:51,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1635982529, now seen corresponding path program 3 times [2024-11-28 03:00:51,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:51,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373741094] [2024-11-28 03:00:51,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:00:51,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:51,830 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-28 03:00:51,830 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:00:51,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67232799] [2024-11-28 03:00:51,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:00:51,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:51,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:51,833 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:51,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 03:00:51,888 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 03:00:51,888 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:00:51,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:00:51,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-28 03:00:52,421 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:52,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:52,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373741094] [2024-11-28 03:00:52,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:52,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67232799] [2024-11-28 03:00:52,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67232799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:52,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:52,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 03:00:52,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899237943] [2024-11-28 03:00:52,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:52,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:00:52,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:52,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:00:52,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:00:52,713 INFO L87 Difference]: Start difference. First operand 1148 states and 1466 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:00:54,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:54,402 INFO L93 Difference]: Finished difference Result 1368 states and 1756 transitions. [2024-11-28 03:00:54,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:00:54,403 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 154 [2024-11-28 03:00:54,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:54,406 INFO L225 Difference]: With dead ends: 1368 [2024-11-28 03:00:54,406 INFO L226 Difference]: Without dead ends: 1364 [2024-11-28 03:00:54,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:00:54,407 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 305 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:54,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 423 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 701 Invalid, 1 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 03:00:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-11-28 03:00:54,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1138. [2024-11-28 03:00:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 952 states have (on average 1.194327731092437) internal successors, (1137), 969 states have internal predecessors, (1137), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-28 03:00:54,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1437 transitions. [2024-11-28 03:00:54,522 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1437 transitions. Word has length 154 [2024-11-28 03:00:54,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:54,522 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1437 transitions. [2024-11-28 03:00:54,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-28 03:00:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1437 transitions. [2024-11-28 03:00:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 03:00:54,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:54,524 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:54,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-28 03:00:54,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:54,724 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:54,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:54,725 INFO L85 PathProgramCache]: Analyzing trace with hash -473970849, now seen corresponding path program 2 times [2024-11-28 03:00:54,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:54,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550770864] [2024-11-28 03:00:54,725 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:54,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:54,754 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:54,755 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:00:54,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260379381] [2024-11-28 03:00:54,757 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:00:54,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:54,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:54,764 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:54,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 03:00:54,844 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:00:54,845 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:00:54,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:00:54,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-28 03:00:55,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:56,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:56,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550770864] [2024-11-28 03:00:56,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:56,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260379381] [2024-11-28 03:00:56,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260379381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:56,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:56,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-28 03:00:56,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519348951] [2024-11-28 03:00:56,500 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:56,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 03:00:56,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:56,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 03:00:56,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:00:56,501 INFO L87 Difference]: Start difference. First operand 1138 states and 1437 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 03:00:57,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:00:57,192 INFO L93 Difference]: Finished difference Result 1162 states and 1452 transitions. [2024-11-28 03:00:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:00:57,193 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 154 [2024-11-28 03:00:57,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:00:57,195 INFO L225 Difference]: With dead ends: 1162 [2024-11-28 03:00:57,195 INFO L226 Difference]: Without dead ends: 1155 [2024-11-28 03:00:57,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-28 03:00:57,196 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 86 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:00:57,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 359 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:00:57,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-28 03:00:57,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1062. [2024-11-28 03:00:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 888 states have (on average 1.177927927927928) internal successors, (1046), 905 states have internal predecessors, (1046), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2024-11-28 03:00:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1322 transitions. [2024-11-28 03:00:57,295 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1322 transitions. Word has length 154 [2024-11-28 03:00:57,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:00:57,296 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1322 transitions. [2024-11-28 03:00:57,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-28 03:00:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1322 transitions. [2024-11-28 03:00:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 03:00:57,297 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:00:57,297 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:00:57,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-28 03:00:57,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-28 03:00:57,502 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:00:57,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:00:57,503 INFO L85 PathProgramCache]: Analyzing trace with hash -695526876, now seen corresponding path program 3 times [2024-11-28 03:00:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:00:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593292238] [2024-11-28 03:00:57,503 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:00:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:00:57,560 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 03:00:57,563 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:00:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512740250] [2024-11-28 03:00:57,565 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:00:57,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:00:57,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:00:57,567 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:00:57,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 03:00:57,651 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 03:00:57,651 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:00:57,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:00:57,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:00:58,766 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 100 proven. 76 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-28 03:00:58,766 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:00:59,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:59,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593292238] [2024-11-28 03:00:59,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:59,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512740250] [2024-11-28 03:00:59,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512740250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:59,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:59,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-28 03:00:59,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182100003] [2024-11-28 03:00:59,534 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:00:59,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 03:00:59,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:59,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 03:00:59,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:00:59,535 INFO L87 Difference]: Start difference. First operand 1062 states and 1322 transitions. Second operand has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:01:03,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:01:03,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:03,305 INFO L93 Difference]: Finished difference Result 1705 states and 2184 transitions. [2024-11-28 03:01:03,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:01:03,306 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 164 [2024-11-28 03:01:03,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:03,310 INFO L225 Difference]: With dead ends: 1705 [2024-11-28 03:01:03,310 INFO L226 Difference]: Without dead ends: 1694 [2024-11-28 03:01:03,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=254, Invalid=936, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:01:03,311 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 368 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:03,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 592 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1202 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 03:01:03,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2024-11-28 03:01:03,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1519. [2024-11-28 03:01:03,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1279 states have (on average 1.1892103205629398) internal successors, (1521), 1296 states have internal predecessors, (1521), 204 states have call successors, (204), 20 states have call predecessors, (204), 20 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) [2024-11-28 03:01:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1929 transitions. [2024-11-28 03:01:03,508 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1929 transitions. Word has length 164 [2024-11-28 03:01:03,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:03,509 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 1929 transitions. [2024-11-28 03:01:03,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:01:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1929 transitions. [2024-11-28 03:01:03,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 03:01:03,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:03,510 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:03,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-28 03:01:03,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-28 03:01:03,715 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:03,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:03,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1613572390, now seen corresponding path program 3 times [2024-11-28 03:01:03,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:03,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427012616] [2024-11-28 03:01:03,715 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:01:03,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:03,748 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 03:01:03,749 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:01:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115867616] [2024-11-28 03:01:03,750 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:01:03,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:03,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:03,753 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:03,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-28 03:01:03,843 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-28 03:01:03,843 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:03,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:01:03,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-28 03:01:04,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:04,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427012616] [2024-11-28 03:01:04,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:01:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115867616] [2024-11-28 03:01:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115867616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:04,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:04,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:01:04,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554615297] [2024-11-28 03:01:04,529 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:04,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:01:04,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:04,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:01:04,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:01:04,531 INFO L87 Difference]: Start difference. First operand 1519 states and 1929 transitions. Second operand has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:01:05,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:05,750 INFO L93 Difference]: Finished difference Result 1552 states and 1970 transitions. [2024-11-28 03:01:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:01:05,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 166 [2024-11-28 03:01:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:05,756 INFO L225 Difference]: With dead ends: 1552 [2024-11-28 03:01:05,756 INFO L226 Difference]: Without dead ends: 1502 [2024-11-28 03:01:05,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-28 03:01:05,758 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 241 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:05,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 185 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:01:05,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-28 03:01:05,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1476. [2024-11-28 03:01:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1244 states have (on average 1.1631832797427653) internal successors, (1447), 1257 states have internal predecessors, (1447), 198 states have call successors, (198), 20 states have call predecessors, (198), 20 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-28 03:01:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1843 transitions. [2024-11-28 03:01:05,989 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1843 transitions. Word has length 166 [2024-11-28 03:01:05,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:05,990 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 1843 transitions. [2024-11-28 03:01:05,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 03:01:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1843 transitions. [2024-11-28 03:01:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-28 03:01:05,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:05,992 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:06,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-28 03:01:06,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-28 03:01:06,196 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:06,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash -9655383, now seen corresponding path program 2 times [2024-11-28 03:01:06,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:06,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771286383] [2024-11-28 03:01:06,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:01:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:06,216 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:06,216 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 03:01:06,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:06,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771286383] [2024-11-28 03:01:06,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771286383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:06,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081150829] [2024-11-28 03:01:06,387 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:01:06,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:06,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:06,390 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:06,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-28 03:01:06,483 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:06,483 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:06,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:01:06,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 03:01:06,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 03:01:07,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081150829] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:07,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:07,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-28 03:01:07,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455085437] [2024-11-28 03:01:07,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:07,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:01:07,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:07,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:01:07,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:01:07,024 INFO L87 Difference]: Start difference. First operand 1476 states and 1843 transitions. Second operand has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-28 03:01:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:08,106 INFO L93 Difference]: Finished difference Result 2769 states and 3569 transitions. [2024-11-28 03:01:08,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:01:08,107 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 215 [2024-11-28 03:01:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:08,116 INFO L225 Difference]: With dead ends: 2769 [2024-11-28 03:01:08,116 INFO L226 Difference]: Without dead ends: 2768 [2024-11-28 03:01:08,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:01:08,119 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 676 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:08,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 627 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:01:08,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2024-11-28 03:01:08,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2067. [2024-11-28 03:01:08,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1733 states have (on average 1.2065781881130986) internal successors, (2091), 1746 states have internal predecessors, (2091), 300 states have call successors, (300), 20 states have call predecessors, (300), 20 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-11-28 03:01:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2691 transitions. [2024-11-28 03:01:08,396 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2691 transitions. Word has length 215 [2024-11-28 03:01:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:08,397 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2691 transitions. [2024-11-28 03:01:08,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-11-28 03:01:08,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2691 transitions. [2024-11-28 03:01:08,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-28 03:01:08,399 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:08,399 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:08,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-28 03:01:08,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-28 03:01:08,600 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:08,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:08,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1158025559, now seen corresponding path program 1 times [2024-11-28 03:01:08,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:08,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479113580] [2024-11-28 03:01:08,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:08,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 03:01:08,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:08,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479113580] [2024-11-28 03:01:08,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479113580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:08,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481627754] [2024-11-28 03:01:08,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:08,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:08,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:08,905 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:08,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-28 03:01:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:09,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:01:09,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 03:01:09,415 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 03:01:09,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481627754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:09,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:09,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-28 03:01:09,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846572919] [2024-11-28 03:01:09,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:09,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:01:09,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:09,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:01:09,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:01:09,772 INFO L87 Difference]: Start difference. First operand 2067 states and 2691 transitions. Second operand has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-28 03:01:11,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:11,450 INFO L93 Difference]: Finished difference Result 4728 states and 6291 transitions. [2024-11-28 03:01:11,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 03:01:11,451 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 233 [2024-11-28 03:01:11,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:11,465 INFO L225 Difference]: With dead ends: 4728 [2024-11-28 03:01:11,465 INFO L226 Difference]: Without dead ends: 4727 [2024-11-28 03:01:11,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 03:01:11,468 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1523 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:11,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 715 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:01:11,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2024-11-28 03:01:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 2715. [2024-11-28 03:01:12,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2289 states have (on average 1.1965923984272608) internal successors, (2739), 2302 states have internal predecessors, (2739), 392 states have call successors, (392), 20 states have call predecessors, (392), 20 states have return successors, (392), 392 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 03:01:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3523 transitions. [2024-11-28 03:01:12,129 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3523 transitions. Word has length 233 [2024-11-28 03:01:12,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:12,129 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3523 transitions. [2024-11-28 03:01:12,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-11-28 03:01:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3523 transitions. [2024-11-28 03:01:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-28 03:01:12,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:12,132 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:12,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-28 03:01:12,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-28 03:01:12,333 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:12,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash 524108498, now seen corresponding path program 1 times [2024-11-28 03:01:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:12,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385567669] [2024-11-28 03:01:12,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:12,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 03:01:12,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:12,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385567669] [2024-11-28 03:01:12,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385567669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:12,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768250994] [2024-11-28 03:01:12,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:12,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:12,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:12,813 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:12,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-28 03:01:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:12,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-28 03:01:12,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-28 03:01:13,182 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-28 03:01:13,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768250994] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:13,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:13,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 24 [2024-11-28 03:01:13,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292259163] [2024-11-28 03:01:13,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:13,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:01:13,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:13,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:01:13,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:01:13,617 INFO L87 Difference]: Start difference. First operand 2715 states and 3523 transitions. Second operand has 24 states, 24 states have (on average 9.5) internal successors, (228), 24 states have internal predecessors, (228), 9 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56) [2024-11-28 03:01:14,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:14,529 INFO L93 Difference]: Finished difference Result 3638 states and 4715 transitions. [2024-11-28 03:01:14,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-28 03:01:14,530 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.5) internal successors, (228), 24 states have internal predecessors, (228), 9 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56) Word has length 239 [2024-11-28 03:01:14,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:14,536 INFO L225 Difference]: With dead ends: 3638 [2024-11-28 03:01:14,536 INFO L226 Difference]: Without dead ends: 2812 [2024-11-28 03:01:14,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 462 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=536, Invalid=1816, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 03:01:14,540 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 172 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:14,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 786 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:01:14,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2024-11-28 03:01:15,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 2772. [2024-11-28 03:01:15,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2772 states, 2334 states have (on average 1.1906598114824336) internal successors, (2779), 2348 states have internal predecessors, (2779), 396 states have call successors, (396), 28 states have call predecessors, (396), 28 states have return successors, (396), 395 states have call predecessors, (396), 396 states have call successors, (396) [2024-11-28 03:01:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2772 states and 3571 transitions. [2024-11-28 03:01:15,102 INFO L78 Accepts]: Start accepts. Automaton has 2772 states and 3571 transitions. Word has length 239 [2024-11-28 03:01:15,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:15,103 INFO L471 AbstractCegarLoop]: Abstraction has 2772 states and 3571 transitions. [2024-11-28 03:01:15,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.5) internal successors, (228), 24 states have internal predecessors, (228), 9 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56) [2024-11-28 03:01:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3571 transitions. [2024-11-28 03:01:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-28 03:01:15,105 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:15,106 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:15,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-28 03:01:15,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-28 03:01:15,310 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:15,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:15,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1359126810, now seen corresponding path program 1 times [2024-11-28 03:01:15,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:15,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043566685] [2024-11-28 03:01:15,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:15,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-28 03:01:15,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:15,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043566685] [2024-11-28 03:01:15,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043566685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:15,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812852842] [2024-11-28 03:01:15,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:15,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:15,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:15,494 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:15,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-28 03:01:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:15,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:01:15,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 658 proven. 48 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-28 03:01:15,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-11-28 03:01:16,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812852842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:16,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:16,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-28 03:01:16,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019430026] [2024-11-28 03:01:16,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:16,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:01:16,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:16,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:01:16,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:01:16,041 INFO L87 Difference]: Start difference. First operand 2772 states and 3571 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 03:01:17,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:17,129 INFO L93 Difference]: Finished difference Result 4546 states and 5957 transitions. [2024-11-28 03:01:17,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:01:17,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 248 [2024-11-28 03:01:17,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:17,140 INFO L225 Difference]: With dead ends: 4546 [2024-11-28 03:01:17,140 INFO L226 Difference]: Without dead ends: 3039 [2024-11-28 03:01:17,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 492 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-28 03:01:17,145 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 137 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:17,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 468 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:01:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2024-11-28 03:01:17,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 2875. [2024-11-28 03:01:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2427 states have (on average 1.1985990935311084) internal successors, (2909), 2441 states have internal predecessors, (2909), 410 states have call successors, (410), 24 states have call predecessors, (410), 24 states have return successors, (410), 409 states have call predecessors, (410), 410 states have call successors, (410) [2024-11-28 03:01:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 3729 transitions. [2024-11-28 03:01:17,832 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 3729 transitions. Word has length 248 [2024-11-28 03:01:17,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:17,832 INFO L471 AbstractCegarLoop]: Abstraction has 2875 states and 3729 transitions. [2024-11-28 03:01:17,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-28 03:01:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3729 transitions. [2024-11-28 03:01:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-28 03:01:17,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:17,835 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:01:17,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-28 03:01:18,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-28 03:01:18,036 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:18,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:18,037 INFO L85 PathProgramCache]: Analyzing trace with hash -937129431, now seen corresponding path program 1 times [2024-11-28 03:01:18,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:18,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014168641] [2024-11-28 03:01:18,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 0 proven. 317 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:01:18,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:18,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014168641] [2024-11-28 03:01:18,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014168641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:18,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841012595] [2024-11-28 03:01:18,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:18,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:18,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:18,587 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:18,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-28 03:01:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:18,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:01:18,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 482 proven. 187 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-11-28 03:01:19,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 130 proven. 187 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:01:19,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841012595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:19,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:19,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9, 9] total 29 [2024-11-28 03:01:19,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55531062] [2024-11-28 03:01:19,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:19,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-28 03:01:19,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:19,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-28 03:01:19,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2024-11-28 03:01:19,417 INFO L87 Difference]: Start difference. First operand 2875 states and 3729 transitions. Second operand has 29 states, 29 states have (on average 10.931034482758621) internal successors, (317), 29 states have internal predecessors, (317), 17 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 17 states have call predecessors, (59), 17 states have call successors, (59) [2024-11-28 03:01:23,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:23,175 INFO L93 Difference]: Finished difference Result 5207 states and 6861 transitions. [2024-11-28 03:01:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-11-28 03:01:23,176 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.931034482758621) internal successors, (317), 29 states have internal predecessors, (317), 17 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 17 states have call predecessors, (59), 17 states have call successors, (59) Word has length 277 [2024-11-28 03:01:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:23,187 INFO L225 Difference]: With dead ends: 5207 [2024-11-28 03:01:23,187 INFO L226 Difference]: Without dead ends: 3538 [2024-11-28 03:01:23,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 543 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=797, Invalid=5523, Unknown=0, NotChecked=0, Total=6320 [2024-11-28 03:01:23,193 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 615 mSDsluCounter, 1127 mSDsCounter, 0 mSdLazyCounter, 2613 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 2736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:23,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 1213 Invalid, 2736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2613 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-28 03:01:23,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3538 states. [2024-11-28 03:01:23,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3538 to 3154. [2024-11-28 03:01:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 2658 states have (on average 1.1971407072987208) internal successors, (3182), 2672 states have internal predecessors, (3182), 458 states have call successors, (458), 24 states have call predecessors, (458), 24 states have return successors, (458), 457 states have call predecessors, (458), 458 states have call successors, (458) [2024-11-28 03:01:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4098 transitions. [2024-11-28 03:01:23,910 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4098 transitions. Word has length 277 [2024-11-28 03:01:23,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:23,912 INFO L471 AbstractCegarLoop]: Abstraction has 3154 states and 4098 transitions. [2024-11-28 03:01:23,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.931034482758621) internal successors, (317), 29 states have internal predecessors, (317), 17 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 17 states have call predecessors, (59), 17 states have call successors, (59) [2024-11-28 03:01:23,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4098 transitions. [2024-11-28 03:01:23,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-28 03:01:23,916 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:23,916 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:23,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-28 03:01:24,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:24,117 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:24,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:24,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1292554829, now seen corresponding path program 2 times [2024-11-28 03:01:24,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:24,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375575374] [2024-11-28 03:01:24,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:01:24,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:24,146 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:24,146 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-28 03:01:24,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:24,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375575374] [2024-11-28 03:01:24,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375575374] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:24,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836130164] [2024-11-28 03:01:24,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:01:24,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:24,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:24,525 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:24,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-28 03:01:24,647 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:24,647 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:24,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:01:24,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 13 proven. 356 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-28 03:01:25,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:26,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-28 03:01:26,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836130164] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:26,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:26,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2024-11-28 03:01:26,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135031102] [2024-11-28 03:01:26,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:26,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-28 03:01:26,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:26,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-28 03:01:26,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=906, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 03:01:26,547 INFO L87 Difference]: Start difference. First operand 3154 states and 4098 transitions. Second operand has 33 states, 32 states have (on average 14.0625) internal successors, (450), 33 states have internal predecessors, (450), 23 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 23 states have call predecessors, (79), 23 states have call successors, (79) [2024-11-28 03:01:41,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:41,430 INFO L93 Difference]: Finished difference Result 8260 states and 11000 transitions. [2024-11-28 03:01:41,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-11-28 03:01:41,431 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 14.0625) internal successors, (450), 33 states have internal predecessors, (450), 23 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 23 states have call predecessors, (79), 23 states have call successors, (79) Word has length 289 [2024-11-28 03:01:41,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:41,451 INFO L225 Difference]: With dead ends: 8260 [2024-11-28 03:01:41,452 INFO L226 Difference]: Without dead ends: 8259 [2024-11-28 03:01:41,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 710 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9253 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=5776, Invalid=18094, Unknown=0, NotChecked=0, Total=23870 [2024-11-28 03:01:41,458 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 4137 mSDsluCounter, 3240 mSDsCounter, 0 mSdLazyCounter, 5888 mSolverCounterSat, 773 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4137 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 6661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 773 IncrementalHoareTripleChecker+Valid, 5888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:41,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4137 Valid, 3518 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [773 Valid, 5888 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2024-11-28 03:01:41,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8259 states. [2024-11-28 03:01:43,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8259 to 5818. [2024-11-28 03:01:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5818 states, 4934 states have (on average 1.224969598702878) internal successors, (6044), 4948 states have internal predecessors, (6044), 846 states have call successors, (846), 24 states have call predecessors, (846), 24 states have return successors, (846), 845 states have call predecessors, (846), 846 states have call successors, (846) [2024-11-28 03:01:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5818 states to 5818 states and 7736 transitions. [2024-11-28 03:01:43,108 INFO L78 Accepts]: Start accepts. Automaton has 5818 states and 7736 transitions. Word has length 289 [2024-11-28 03:01:43,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:43,109 INFO L471 AbstractCegarLoop]: Abstraction has 5818 states and 7736 transitions. [2024-11-28 03:01:43,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 14.0625) internal successors, (450), 33 states have internal predecessors, (450), 23 states have call successors, (79), 1 states have call predecessors, (79), 1 states have return successors, (79), 23 states have call predecessors, (79), 23 states have call successors, (79) [2024-11-28 03:01:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5818 states and 7736 transitions. [2024-11-28 03:01:43,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-28 03:01:43,112 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:43,112 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:43,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-28 03:01:43,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-28 03:01:43,313 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:43,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:43,313 INFO L85 PathProgramCache]: Analyzing trace with hash 591737510, now seen corresponding path program 2 times [2024-11-28 03:01:43,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:43,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305089355] [2024-11-28 03:01:43,314 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:01:43,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:43,342 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:43,342 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-28 03:01:44,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:44,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305089355] [2024-11-28 03:01:44,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305089355] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:44,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367191886] [2024-11-28 03:01:44,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:01:44,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:44,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:44,097 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:44,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-28 03:01:44,238 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:01:44,238 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:44,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:01:44,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:44,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 0 proven. 1614 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 03:01:44,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-28 03:01:45,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367191886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:45,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:45,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 22 [2024-11-28 03:01:45,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853634343] [2024-11-28 03:01:45,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:45,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:01:45,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:45,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:01:45,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:01:45,162 INFO L87 Difference]: Start difference. First operand 5818 states and 7736 transitions. Second operand has 22 states, 22 states have (on average 8.5) internal successors, (187), 22 states have internal predecessors, (187), 9 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) [2024-11-28 03:01:46,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:46,900 INFO L93 Difference]: Finished difference Result 5856 states and 7774 transitions. [2024-11-28 03:01:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 03:01:46,900 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 8.5) internal successors, (187), 22 states have internal predecessors, (187), 9 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) Word has length 292 [2024-11-28 03:01:46,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:46,916 INFO L225 Difference]: With dead ends: 5856 [2024-11-28 03:01:46,916 INFO L226 Difference]: Without dead ends: 5850 [2024-11-28 03:01:46,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 564 SyntacticMatches, 20 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=450, Invalid=1442, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 03:01:46,919 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 116 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:46,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 650 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:01:46,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2024-11-28 03:01:48,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5850. [2024-11-28 03:01:48,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5850 states, 4960 states have (on average 1.2237903225806452) internal successors, (6070), 4974 states have internal predecessors, (6070), 849 states have call successors, (849), 27 states have call predecessors, (849), 27 states have return successors, (849), 848 states have call predecessors, (849), 849 states have call successors, (849) [2024-11-28 03:01:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5850 states to 5850 states and 7768 transitions. [2024-11-28 03:01:48,487 INFO L78 Accepts]: Start accepts. Automaton has 5850 states and 7768 transitions. Word has length 292 [2024-11-28 03:01:48,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:48,488 INFO L471 AbstractCegarLoop]: Abstraction has 5850 states and 7768 transitions. [2024-11-28 03:01:48,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.5) internal successors, (187), 22 states have internal predecessors, (187), 9 states have call successors, (54), 10 states have call predecessors, (54), 10 states have return successors, (54), 9 states have call predecessors, (54), 9 states have call successors, (54) [2024-11-28 03:01:48,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5850 states and 7768 transitions. [2024-11-28 03:01:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2024-11-28 03:01:48,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:48,491 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:48,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-28 03:01:48,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:48,691 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:48,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:48,692 INFO L85 PathProgramCache]: Analyzing trace with hash 772371614, now seen corresponding path program 1 times [2024-11-28 03:01:48,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:48,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952236384] [2024-11-28 03:01:48,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 10 proven. 367 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-28 03:01:49,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:49,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952236384] [2024-11-28 03:01:49,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952236384] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:49,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757434104] [2024-11-28 03:01:49,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:49,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:49,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:49,277 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:49,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-28 03:01:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:49,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:01:49,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 10 proven. 1631 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-28 03:01:49,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 10 proven. 367 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-28 03:01:50,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757434104] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:50,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:50,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 20] total 25 [2024-11-28 03:01:50,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000473821] [2024-11-28 03:01:50,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:50,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 03:01:50,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:50,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 03:01:50,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=466, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:01:50,386 INFO L87 Difference]: Start difference. First operand 5850 states and 7768 transitions. Second operand has 25 states, 25 states have (on average 10.44) internal successors, (261), 25 states have internal predecessors, (261), 9 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 9 states have call predecessors, (66), 9 states have call successors, (66) [2024-11-28 03:01:51,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:51,964 INFO L93 Difference]: Finished difference Result 7386 states and 9845 transitions. [2024-11-28 03:01:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-28 03:01:51,964 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.44) internal successors, (261), 25 states have internal predecessors, (261), 9 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 9 states have call predecessors, (66), 9 states have call successors, (66) Word has length 294 [2024-11-28 03:01:51,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:51,977 INFO L225 Difference]: With dead ends: 7386 [2024-11-28 03:01:51,977 INFO L226 Difference]: Without dead ends: 5854 [2024-11-28 03:01:51,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 570 SyntacticMatches, 13 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=578, Invalid=1872, Unknown=0, NotChecked=0, Total=2450 [2024-11-28 03:01:51,983 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 122 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:51,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 943 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:01:51,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5854 states. [2024-11-28 03:01:53,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5854 to 5846. [2024-11-28 03:01:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 4954 states have (on average 1.2222446507872426) internal successors, (6055), 4967 states have internal predecessors, (6055), 849 states have call successors, (849), 29 states have call predecessors, (849), 29 states have return successors, (849), 849 states have call predecessors, (849), 849 states have call successors, (849) [2024-11-28 03:01:53,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 7753 transitions. [2024-11-28 03:01:53,348 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 7753 transitions. Word has length 294 [2024-11-28 03:01:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:53,349 INFO L471 AbstractCegarLoop]: Abstraction has 5846 states and 7753 transitions. [2024-11-28 03:01:53,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.44) internal successors, (261), 25 states have internal predecessors, (261), 9 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 9 states have call predecessors, (66), 9 states have call successors, (66) [2024-11-28 03:01:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 7753 transitions. [2024-11-28 03:01:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-11-28 03:01:53,353 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:53,353 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-28 03:01:53,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-28 03:01:53,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:53,558 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:53,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:53,559 INFO L85 PathProgramCache]: Analyzing trace with hash -362413712, now seen corresponding path program 4 times [2024-11-28 03:01:53,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:53,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804181518] [2024-11-28 03:01:53,559 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:01:53,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:53,680 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:01:53,682 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:01:53,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [808147588] [2024-11-28 03:01:53,685 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:01:53,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:53,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:53,688 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:53,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-28 03:01:53,837 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:01:53,837 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:01:53,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:01:53,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1857 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-28 03:01:54,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:55,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:55,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804181518] [2024-11-28 03:01:55,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:01:55,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808147588] [2024-11-28 03:01:55,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808147588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:55,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:01:55,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-28 03:01:55,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214750699] [2024-11-28 03:01:55,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:55,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:01:55,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:55,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:01:55,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-28 03:01:55,269 INFO L87 Difference]: Start difference. First operand 5846 states and 7753 transitions. Second operand has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-28 03:01:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:56,800 INFO L93 Difference]: Finished difference Result 5866 states and 7772 transitions. [2024-11-28 03:01:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:01:56,801 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 299 [2024-11-28 03:01:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:56,810 INFO L225 Difference]: With dead ends: 5866 [2024-11-28 03:01:56,810 INFO L226 Difference]: Without dead ends: 5734 [2024-11-28 03:01:56,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-28 03:01:56,812 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 131 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:56,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 464 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 03:01:56,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5734 states. [2024-11-28 03:01:58,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5734 to 5727. [2024-11-28 03:01:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5727 states, 4854 states have (on average 1.2266172229089412) internal successors, (5954), 4867 states have internal predecessors, (5954), 835 states have call successors, (835), 24 states have call predecessors, (835), 24 states have return successors, (835), 835 states have call predecessors, (835), 835 states have call successors, (835) [2024-11-28 03:01:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5727 states to 5727 states and 7624 transitions. [2024-11-28 03:01:58,169 INFO L78 Accepts]: Start accepts. Automaton has 5727 states and 7624 transitions. Word has length 299 [2024-11-28 03:01:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:58,169 INFO L471 AbstractCegarLoop]: Abstraction has 5727 states and 7624 transitions. [2024-11-28 03:01:58,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-28 03:01:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5727 states and 7624 transitions. [2024-11-28 03:01:58,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-28 03:01:58,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:58,172 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:58,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-28 03:01:58,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:58,378 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:01:58,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:58,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1569835363, now seen corresponding path program 1 times [2024-11-28 03:01:58,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:58,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048058095] [2024-11-28 03:01:58,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:58,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 20 proven. 361 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-28 03:01:59,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:01:59,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048058095] [2024-11-28 03:01:59,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048058095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:01:59,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354716441] [2024-11-28 03:01:59,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:59,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:59,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:59,043 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:59,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-28 03:01:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:01:59,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:01:59,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:01:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 20 proven. 1741 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-28 03:01:59,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:01:59,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 20 proven. 361 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-28 03:01:59,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354716441] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:01:59,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:01:59,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 22 [2024-11-28 03:01:59,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281760269] [2024-11-28 03:01:59,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:01:59,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:01:59,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:01:59,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:01:59,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:01:59,953 INFO L87 Difference]: Start difference. First operand 5727 states and 7624 transitions. Second operand has 22 states, 22 states have (on average 9.045454545454545) internal successors, (199), 22 states have internal predecessors, (199), 9 states have call successors, (56), 10 states have call predecessors, (56), 10 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56) [2024-11-28 03:02:01,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:01,337 INFO L93 Difference]: Finished difference Result 5850 states and 7771 transitions. [2024-11-28 03:02:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 03:02:01,337 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.045454545454545) internal successors, (199), 22 states have internal predecessors, (199), 9 states have call successors, (56), 10 states have call predecessors, (56), 10 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56) Word has length 309 [2024-11-28 03:02:01,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:01,346 INFO L225 Difference]: With dead ends: 5850 [2024-11-28 03:02:01,346 INFO L226 Difference]: Without dead ends: 5706 [2024-11-28 03:02:01,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 598 SyntacticMatches, 20 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=462, Invalid=1430, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 03:02:01,348 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 102 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:01,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 763 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:02:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5706 states. [2024-11-28 03:02:02,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5706 to 5706. [2024-11-28 03:02:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5706 states, 4834 states have (on average 1.2265204799338023) internal successors, (5929), 4847 states have internal predecessors, (5929), 833 states have call successors, (833), 25 states have call predecessors, (833), 25 states have return successors, (833), 833 states have call predecessors, (833), 833 states have call successors, (833) [2024-11-28 03:02:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5706 states to 5706 states and 7595 transitions. [2024-11-28 03:02:02,281 INFO L78 Accepts]: Start accepts. Automaton has 5706 states and 7595 transitions. Word has length 309 [2024-11-28 03:02:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:02,282 INFO L471 AbstractCegarLoop]: Abstraction has 5706 states and 7595 transitions. [2024-11-28 03:02:02,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.045454545454545) internal successors, (199), 22 states have internal predecessors, (199), 9 states have call successors, (56), 10 states have call predecessors, (56), 10 states have return successors, (56), 9 states have call predecessors, (56), 9 states have call successors, (56) [2024-11-28 03:02:02,282 INFO L276 IsEmpty]: Start isEmpty. Operand 5706 states and 7595 transitions. [2024-11-28 03:02:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-28 03:02:02,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:02,284 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 03:02:02,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-28 03:02:02,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-28 03:02:02,485 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:02:02,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1199113162, now seen corresponding path program 2 times [2024-11-28 03:02:02,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:02,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833076842] [2024-11-28 03:02:02,486 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:02:02,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:02,504 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:02:02,505 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:02:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 2101 trivial. 0 not checked. [2024-11-28 03:02:02,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:02,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833076842] [2024-11-28 03:02:02,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833076842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:02:02,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:02:02,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:02:02,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955627014] [2024-11-28 03:02:02,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:02:02,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:02:02,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:02,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:02:02,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:02:02,775 INFO L87 Difference]: Start difference. First operand 5706 states and 7595 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 03:02:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:04,119 INFO L93 Difference]: Finished difference Result 5735 states and 7633 transitions. [2024-11-28 03:02:04,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:02:04,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 318 [2024-11-28 03:02:04,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:04,130 INFO L225 Difference]: With dead ends: 5735 [2024-11-28 03:02:04,130 INFO L226 Difference]: Without dead ends: 5734 [2024-11-28 03:02:04,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:02:04,132 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:04,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 241 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:02:04,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5734 states. [2024-11-28 03:02:05,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5734 to 5704. [2024-11-28 03:02:05,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5704 states, 4832 states have (on average 1.2204056291390728) internal successors, (5897), 4845 states have internal predecessors, (5897), 833 states have call successors, (833), 25 states have call predecessors, (833), 25 states have return successors, (833), 833 states have call predecessors, (833), 833 states have call successors, (833) [2024-11-28 03:02:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5704 states to 5704 states and 7563 transitions. [2024-11-28 03:02:05,338 INFO L78 Accepts]: Start accepts. Automaton has 5704 states and 7563 transitions. Word has length 318 [2024-11-28 03:02:05,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:05,338 INFO L471 AbstractCegarLoop]: Abstraction has 5704 states and 7563 transitions. [2024-11-28 03:02:05,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-28 03:02:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5704 states and 7563 transitions. [2024-11-28 03:02:05,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-28 03:02:05,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:05,340 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:05,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-28 03:02:05,341 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:02:05,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:05,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1537153760, now seen corresponding path program 3 times [2024-11-28 03:02:05,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:05,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363513662] [2024-11-28 03:02:05,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:02:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:05,398 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-28 03:02:05,398 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:02:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2191 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-28 03:02:06,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:06,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363513662] [2024-11-28 03:02:06,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363513662] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:06,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132186482] [2024-11-28 03:02:06,240 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:02:06,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:02:06,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:02:06,243 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:02:06,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-28 03:02:06,334 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-28 03:02:06,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:02:06,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 03:02:06,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2191 backedges. 306 proven. 240 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2024-11-28 03:02:08,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:09,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132186482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:09,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:02:09,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 16] total 40 [2024-11-28 03:02:09,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587518547] [2024-11-28 03:02:09,391 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:09,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-11-28 03:02:09,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:09,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-11-28 03:02:09,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1760, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 03:02:09,393 INFO L87 Difference]: Start difference. First operand 5704 states and 7563 transitions. Second operand has 40 states, 39 states have (on average 6.871794871794871) internal successors, (268), 39 states have internal predecessors, (268), 14 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) [2024-11-28 03:02:13,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:17,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:22,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:27,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:35,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:40,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:46,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:49,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:02:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:51,050 INFO L93 Difference]: Finished difference Result 5925 states and 7822 transitions. [2024-11-28 03:02:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-11-28 03:02:51,051 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 39 states have (on average 6.871794871794871) internal successors, (268), 39 states have internal predecessors, (268), 14 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) Word has length 321 [2024-11-28 03:02:51,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:51,058 INFO L225 Difference]: With dead ends: 5925 [2024-11-28 03:02:51,058 INFO L226 Difference]: Without dead ends: 5916 [2024-11-28 03:02:51,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6283 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1814, Invalid=18492, Unknown=0, NotChecked=0, Total=20306 [2024-11-28 03:02:51,062 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 685 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 183 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:51,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 582 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2331 Invalid, 8 Unknown, 0 Unchecked, 34.8s Time] [2024-11-28 03:02:51,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2024-11-28 03:02:52,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5706. [2024-11-28 03:02:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5706 states, 4834 states have (on average 1.2101779064956557) internal successors, (5850), 4847 states have internal predecessors, (5850), 833 states have call successors, (833), 25 states have call predecessors, (833), 25 states have return successors, (833), 833 states have call predecessors, (833), 833 states have call successors, (833) [2024-11-28 03:02:52,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5706 states to 5706 states and 7516 transitions. [2024-11-28 03:02:52,099 INFO L78 Accepts]: Start accepts. Automaton has 5706 states and 7516 transitions. Word has length 321 [2024-11-28 03:02:52,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:52,100 INFO L471 AbstractCegarLoop]: Abstraction has 5706 states and 7516 transitions. [2024-11-28 03:02:52,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 6.871794871794871) internal successors, (268), 39 states have internal predecessors, (268), 14 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (45), 14 states have call predecessors, (45), 14 states have call successors, (45) [2024-11-28 03:02:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 5706 states and 7516 transitions. [2024-11-28 03:02:52,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-28 03:02:52,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:52,102 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:52,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-28 03:02:52,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:02:52,303 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:02:52,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:52,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1042394412, now seen corresponding path program 1 times [2024-11-28 03:02:52,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:52,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37346000] [2024-11-28 03:02:52,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:52,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2191 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-28 03:02:52,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:52,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37346000] [2024-11-28 03:02:52,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37346000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:52,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363179167] [2024-11-28 03:02:52,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:02:52,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:02:52,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:02:52,979 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:02:52,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-28 03:02:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:02:53,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:02:53,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2191 backedges. 0 proven. 2039 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-28 03:02:53,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2191 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-28 03:02:53,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363179167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:02:53,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:02:53,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 22 [2024-11-28 03:02:53,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304244873] [2024-11-28 03:02:53,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:53,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:02:53,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:53,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:02:53,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:02:53,965 INFO L87 Difference]: Start difference. First operand 5706 states and 7516 transitions. Second operand has 22 states, 22 states have (on average 9.227272727272727) internal successors, (203), 22 states have internal predecessors, (203), 9 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 9 states have call predecessors, (60), 9 states have call successors, (60) [2024-11-28 03:02:55,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:02:55,446 INFO L93 Difference]: Finished difference Result 5715 states and 7523 transitions. [2024-11-28 03:02:55,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 03:02:55,447 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.227272727272727) internal successors, (203), 22 states have internal predecessors, (203), 9 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 9 states have call predecessors, (60), 9 states have call successors, (60) Word has length 323 [2024-11-28 03:02:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:02:55,459 INFO L225 Difference]: With dead ends: 5715 [2024-11-28 03:02:55,459 INFO L226 Difference]: Without dead ends: 5710 [2024-11-28 03:02:55,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 626 SyntacticMatches, 20 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=462, Invalid=1430, Unknown=0, NotChecked=0, Total=1892 [2024-11-28 03:02:55,462 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 111 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:02:55,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 780 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:02:55,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5710 states. [2024-11-28 03:02:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5710 to 5710. [2024-11-28 03:02:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5710 states, 4837 states have (on average 1.2098408104196816) internal successors, (5852), 4850 states have internal predecessors, (5852), 833 states have call successors, (833), 26 states have call predecessors, (833), 26 states have return successors, (833), 833 states have call predecessors, (833), 833 states have call successors, (833) [2024-11-28 03:02:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5710 states to 5710 states and 7518 transitions. [2024-11-28 03:02:56,522 INFO L78 Accepts]: Start accepts. Automaton has 5710 states and 7518 transitions. Word has length 323 [2024-11-28 03:02:56,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:02:56,522 INFO L471 AbstractCegarLoop]: Abstraction has 5710 states and 7518 transitions. [2024-11-28 03:02:56,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.227272727272727) internal successors, (203), 22 states have internal predecessors, (203), 9 states have call successors, (60), 10 states have call predecessors, (60), 10 states have return successors, (60), 9 states have call predecessors, (60), 9 states have call successors, (60) [2024-11-28 03:02:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 5710 states and 7518 transitions. [2024-11-28 03:02:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-28 03:02:56,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:02:56,525 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:02:56,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-28 03:02:56,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:02:56,725 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:02:56,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:02:56,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1082794874, now seen corresponding path program 2 times [2024-11-28 03:02:56,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:02:56,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902355201] [2024-11-28 03:02:56,726 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:02:56,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:02:56,753 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:02:56,753 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:02:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 100 proven. 426 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:02:57,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:02:57,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902355201] [2024-11-28 03:02:57,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902355201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:02:57,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527954071] [2024-11-28 03:02:57,071 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:02:57,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:02:57,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:02:57,073 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:02:57,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-28 03:02:57,196 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:02:57,196 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:02:57,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:02:57,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:02:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 220 proven. 426 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-28 03:02:57,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:02:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 100 proven. 426 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:02:57,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527954071] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:02:57,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:02:57,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2024-11-28 03:02:57,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691546415] [2024-11-28 03:02:57,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:02:57,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:02:57,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:02:57,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:02:57,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:02:57,932 INFO L87 Difference]: Start difference. First operand 5710 states and 7518 transitions. Second operand has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-28 03:03:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:01,249 INFO L93 Difference]: Finished difference Result 9527 states and 12616 transitions. [2024-11-28 03:03:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 03:03:01,249 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 330 [2024-11-28 03:03:01,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:01,264 INFO L225 Difference]: With dead ends: 9527 [2024-11-28 03:03:01,264 INFO L226 Difference]: Without dead ends: 6045 [2024-11-28 03:03:01,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 655 SyntacticMatches, 9 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=871, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 03:03:01,271 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 594 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:01,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1234 Invalid, 1845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:03:01,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2024-11-28 03:03:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 4989. [2024-11-28 03:03:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4989 states, 4230 states have (on average 1.1995271867612294) internal successors, (5074), 4243 states have internal predecessors, (5074), 719 states have call successors, (719), 26 states have call predecessors, (719), 26 states have return successors, (719), 719 states have call predecessors, (719), 719 states have call successors, (719) [2024-11-28 03:03:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 6512 transitions. [2024-11-28 03:03:02,203 INFO L78 Accepts]: Start accepts. Automaton has 4989 states and 6512 transitions. Word has length 330 [2024-11-28 03:03:02,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:02,204 INFO L471 AbstractCegarLoop]: Abstraction has 4989 states and 6512 transitions. [2024-11-28 03:03:02,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-28 03:03:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 6512 transitions. [2024-11-28 03:03:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-28 03:03:02,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:02,205 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:02,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-28 03:03:02,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-28 03:03:02,406 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:03:02,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:02,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1898736075, now seen corresponding path program 4 times [2024-11-28 03:03:02,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:02,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105523650] [2024-11-28 03:03:02,407 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:03:02,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:02,456 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:03:02,456 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:03:02,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1401580810] [2024-11-28 03:03:02,459 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:03:02,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:02,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:02,461 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:02,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-28 03:03:02,589 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:03:02,589 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:03:02,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:03:02,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 453 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:03:03,760 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:03,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:03,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105523650] [2024-11-28 03:03:03,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:03:03,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401580810] [2024-11-28 03:03:03,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401580810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:03,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:03,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-28 03:03:03,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822003301] [2024-11-28 03:03:03,955 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:03,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:03:03,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:03,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:03:03,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-11-28 03:03:03,956 INFO L87 Difference]: Start difference. First operand 4989 states and 6512 transitions. Second operand has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 15 states have internal predecessors, (181), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-28 03:03:05,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:05,754 INFO L93 Difference]: Finished difference Result 5033 states and 6560 transitions. [2024-11-28 03:03:05,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:03:05,755 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 15 states have internal predecessors, (181), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 333 [2024-11-28 03:03:05,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:05,763 INFO L225 Difference]: With dead ends: 5033 [2024-11-28 03:03:05,763 INFO L226 Difference]: Without dead ends: 5020 [2024-11-28 03:03:05,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:03:05,765 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 131 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:05,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 498 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 03:03:05,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5020 states. [2024-11-28 03:03:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5020 to 5001. [2024-11-28 03:03:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5001 states, 4239 states have (on average 1.199103562160887) internal successors, (5083), 4252 states have internal predecessors, (5083), 722 states have call successors, (722), 26 states have call predecessors, (722), 26 states have return successors, (722), 722 states have call predecessors, (722), 722 states have call successors, (722) [2024-11-28 03:03:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 6527 transitions. [2024-11-28 03:03:06,778 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 6527 transitions. Word has length 333 [2024-11-28 03:03:06,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:06,779 INFO L471 AbstractCegarLoop]: Abstraction has 5001 states and 6527 transitions. [2024-11-28 03:03:06,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 12.928571428571429) internal successors, (181), 15 states have internal predecessors, (181), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-28 03:03:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 6527 transitions. [2024-11-28 03:03:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-28 03:03:06,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:06,780 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:06,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-28 03:03:06,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2024-11-28 03:03:06,984 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:03:06,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash -675728019, now seen corresponding path program 2 times [2024-11-28 03:03:06,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:06,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688500903] [2024-11-28 03:03:06,985 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:03:06,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:07,016 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:03:07,016 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:03:07,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [632945705] [2024-11-28 03:03:07,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:03:07,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:07,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:07,020 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:07,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-28 03:03:07,154 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:03:07,154 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:03:07,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 03:03:07,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 453 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:03:08,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:21,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:21,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688500903] [2024-11-28 03:03:21,889 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:03:21,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632945705] [2024-11-28 03:03:21,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632945705] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:21,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:21,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2024-11-28 03:03:21,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111126464] [2024-11-28 03:03:21,889 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:21,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 03:03:21,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:21,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 03:03:21,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=791, Unknown=3, NotChecked=0, Total=930 [2024-11-28 03:03:21,890 INFO L87 Difference]: Start difference. First operand 5001 states and 6527 transitions. Second operand has 21 states, 20 states have (on average 9.15) internal successors, (183), 21 states have internal predecessors, (183), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 03:03:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:25,074 INFO L93 Difference]: Finished difference Result 5018 states and 6542 transitions. [2024-11-28 03:03:25,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:03:25,074 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 9.15) internal successors, (183), 21 states have internal predecessors, (183), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 335 [2024-11-28 03:03:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:25,082 INFO L225 Difference]: With dead ends: 5018 [2024-11-28 03:03:25,082 INFO L226 Difference]: Without dead ends: 4968 [2024-11-28 03:03:25,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 615 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=296, Invalid=2053, Unknown=3, NotChecked=0, Total=2352 [2024-11-28 03:03:25,084 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 283 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 2815 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 2853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:25,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1349 Invalid, 2853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2815 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 03:03:25,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4968 states. [2024-11-28 03:03:25,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4968 to 4964. [2024-11-28 03:03:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4964 states, 4208 states have (on average 1.2003326996197718) internal successors, (5051), 4221 states have internal predecessors, (5051), 717 states have call successors, (717), 25 states have call predecessors, (717), 25 states have return successors, (717), 717 states have call predecessors, (717), 717 states have call successors, (717) [2024-11-28 03:03:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4964 states to 4964 states and 6485 transitions. [2024-11-28 03:03:26,002 INFO L78 Accepts]: Start accepts. Automaton has 4964 states and 6485 transitions. Word has length 335 [2024-11-28 03:03:26,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:26,003 INFO L471 AbstractCegarLoop]: Abstraction has 4964 states and 6485 transitions. [2024-11-28 03:03:26,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 9.15) internal successors, (183), 21 states have internal predecessors, (183), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-28 03:03:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 4964 states and 6485 transitions. [2024-11-28 03:03:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-28 03:03:26,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:26,006 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:26,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2024-11-28 03:03:26,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:26,206 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:03:26,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:26,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1088978201, now seen corresponding path program 1 times [2024-11-28 03:03:26,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:26,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954305648] [2024-11-28 03:03:26,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:26,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 12 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:03:26,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:26,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954305648] [2024-11-28 03:03:26,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954305648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:26,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155223555] [2024-11-28 03:03:26,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:03:26,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:26,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:26,940 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:26,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-28 03:03:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:03:27,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:03:27,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 12 proven. 2208 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-28 03:03:27,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 12 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-28 03:03:28,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155223555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:03:28,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:03:28,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 22 [2024-11-28 03:03:28,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135099213] [2024-11-28 03:03:28,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:28,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 03:03:28,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:28,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 03:03:28,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:03:28,007 INFO L87 Difference]: Start difference. First operand 4964 states and 6485 transitions. Second operand has 22 states, 22 states have (on average 9.772727272727273) internal successors, (215), 22 states have internal predecessors, (215), 9 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2024-11-28 03:03:29,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:29,484 INFO L93 Difference]: Finished difference Result 6189 states and 8136 transitions. [2024-11-28 03:03:29,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 03:03:29,485 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.772727272727273) internal successors, (215), 22 states have internal predecessors, (215), 9 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) Word has length 340 [2024-11-28 03:03:29,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:29,497 INFO L225 Difference]: With dead ends: 6189 [2024-11-28 03:03:29,497 INFO L226 Difference]: Without dead ends: 4935 [2024-11-28 03:03:29,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 660 SyntacticMatches, 20 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=497, Invalid=1483, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 03:03:29,502 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 96 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:29,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 768 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:03:29,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4935 states. [2024-11-28 03:03:30,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4935 to 4935. [2024-11-28 03:03:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4935 states, 4183 states have (on average 1.2005737508964858) internal successors, (5022), 4196 states have internal predecessors, (5022), 712 states have call successors, (712), 26 states have call predecessors, (712), 26 states have return successors, (712), 712 states have call predecessors, (712), 712 states have call successors, (712) [2024-11-28 03:03:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4935 states to 4935 states and 6446 transitions. [2024-11-28 03:03:30,742 INFO L78 Accepts]: Start accepts. Automaton has 4935 states and 6446 transitions. Word has length 340 [2024-11-28 03:03:30,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:30,743 INFO L471 AbstractCegarLoop]: Abstraction has 4935 states and 6446 transitions. [2024-11-28 03:03:30,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.772727272727273) internal successors, (215), 22 states have internal predecessors, (215), 9 states have call successors, (62), 10 states have call predecessors, (62), 10 states have return successors, (62), 9 states have call predecessors, (62), 9 states have call successors, (62) [2024-11-28 03:03:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4935 states and 6446 transitions. [2024-11-28 03:03:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-28 03:03:30,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:30,746 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:30,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-11-28 03:03:30,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:30,947 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:03:30,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:30,948 INFO L85 PathProgramCache]: Analyzing trace with hash -277072300, now seen corresponding path program 5 times [2024-11-28 03:03:30,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:30,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730553131] [2024-11-28 03:03:30,948 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:03:30,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:31,040 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-11-28 03:03:31,040 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:03:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 0 proven. 641 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-28 03:03:31,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:31,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730553131] [2024-11-28 03:03:31,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730553131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:31,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916650137] [2024-11-28 03:03:31,908 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:03:31,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:31,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:31,911 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:31,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-28 03:03:32,089 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-11-28 03:03:32,089 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:03:32,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:03:32,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-28 03:03:32,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 0 proven. 641 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-28 03:03:33,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916650137] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:03:33,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:03:33,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 22] total 27 [2024-11-28 03:03:33,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531766418] [2024-11-28 03:03:33,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:33,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-28 03:03:33,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:33,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 03:03:33,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:03:33,343 INFO L87 Difference]: Start difference. First operand 4935 states and 6446 transitions. Second operand has 27 states, 27 states have (on average 8.407407407407407) internal successors, (227), 27 states have internal predecessors, (227), 9 states have call successors, (66), 10 states have call predecessors, (66), 10 states have return successors, (66), 9 states have call predecessors, (66), 9 states have call successors, (66) [2024-11-28 03:03:34,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:34,779 INFO L93 Difference]: Finished difference Result 4949 states and 6460 transitions. [2024-11-28 03:03:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-28 03:03:34,780 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 8.407407407407407) internal successors, (227), 27 states have internal predecessors, (227), 9 states have call successors, (66), 10 states have call predecessors, (66), 10 states have return successors, (66), 9 states have call predecessors, (66), 9 states have call successors, (66) Word has length 350 [2024-11-28 03:03:34,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:34,787 INFO L225 Difference]: With dead ends: 4949 [2024-11-28 03:03:34,787 INFO L226 Difference]: Without dead ends: 4943 [2024-11-28 03:03:34,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 678 SyntacticMatches, 20 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=501, Invalid=1661, Unknown=0, NotChecked=0, Total=2162 [2024-11-28 03:03:34,789 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 118 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:34,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 684 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:03:34,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4943 states. [2024-11-28 03:03:35,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4943 to 4943. [2024-11-28 03:03:35,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4943 states, 4191 states have (on average 1.2001908852302554) internal successors, (5030), 4204 states have internal predecessors, (5030), 712 states have call successors, (712), 26 states have call predecessors, (712), 26 states have return successors, (712), 712 states have call predecessors, (712), 712 states have call successors, (712) [2024-11-28 03:03:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4943 states to 4943 states and 6454 transitions. [2024-11-28 03:03:35,720 INFO L78 Accepts]: Start accepts. Automaton has 4943 states and 6454 transitions. Word has length 350 [2024-11-28 03:03:35,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:35,721 INFO L471 AbstractCegarLoop]: Abstraction has 4943 states and 6454 transitions. [2024-11-28 03:03:35,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.407407407407407) internal successors, (227), 27 states have internal predecessors, (227), 9 states have call successors, (66), 10 states have call predecessors, (66), 10 states have return successors, (66), 9 states have call predecessors, (66), 9 states have call successors, (66) [2024-11-28 03:03:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4943 states and 6454 transitions. [2024-11-28 03:03:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-28 03:03:35,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:35,724 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:35,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-28 03:03:35,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:35,928 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:03:35,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2067079390, now seen corresponding path program 2 times [2024-11-28 03:03:35,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:35,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260110613] [2024-11-28 03:03:35,929 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:03:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:35,968 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:03:35,969 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:03:35,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706227218] [2024-11-28 03:03:35,971 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:03:35,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:35,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:35,974 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:35,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-28 03:03:36,123 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:03:36,123 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:03:36,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 03:03:36,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 0 proven. 517 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-28 03:03:37,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:37,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:37,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260110613] [2024-11-28 03:03:37,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:03:37,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706227218] [2024-11-28 03:03:37,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706227218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:37,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:37,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-28 03:03:37,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878182548] [2024-11-28 03:03:37,791 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:37,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 03:03:37,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:37,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 03:03:37,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2024-11-28 03:03:37,793 INFO L87 Difference]: Start difference. First operand 4943 states and 6454 transitions. Second operand has 18 states, 17 states have (on average 11.352941176470589) internal successors, (193), 18 states have internal predecessors, (193), 11 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 11 states have call predecessors, (32), 11 states have call successors, (32) [2024-11-28 03:03:39,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:39,734 INFO L93 Difference]: Finished difference Result 5036 states and 6560 transitions. [2024-11-28 03:03:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:03:39,735 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 11.352941176470589) internal successors, (193), 18 states have internal predecessors, (193), 11 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 11 states have call predecessors, (32), 11 states have call successors, (32) Word has length 350 [2024-11-28 03:03:39,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:39,743 INFO L225 Difference]: With dead ends: 5036 [2024-11-28 03:03:39,743 INFO L226 Difference]: Without dead ends: 5022 [2024-11-28 03:03:39,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=450, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:03:39,745 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 193 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1211 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:39,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 808 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1211 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 03:03:39,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2024-11-28 03:03:40,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 4972. [2024-11-28 03:03:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4972 states, 4215 states have (on average 1.1995255041518387) internal successors, (5056), 4228 states have internal predecessors, (5056), 717 states have call successors, (717), 26 states have call predecessors, (717), 26 states have return successors, (717), 717 states have call predecessors, (717), 717 states have call successors, (717) [2024-11-28 03:03:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4972 states to 4972 states and 6490 transitions. [2024-11-28 03:03:40,733 INFO L78 Accepts]: Start accepts. Automaton has 4972 states and 6490 transitions. Word has length 350 [2024-11-28 03:03:40,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:40,734 INFO L471 AbstractCegarLoop]: Abstraction has 4972 states and 6490 transitions. [2024-11-28 03:03:40,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 11.352941176470589) internal successors, (193), 18 states have internal predecessors, (193), 11 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 11 states have call predecessors, (32), 11 states have call successors, (32) [2024-11-28 03:03:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4972 states and 6490 transitions. [2024-11-28 03:03:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-28 03:03:40,735 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:40,735 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:40,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-28 03:03:40,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:40,936 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:03:40,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:40,936 INFO L85 PathProgramCache]: Analyzing trace with hash 986282572, now seen corresponding path program 3 times [2024-11-28 03:03:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:40,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842753290] [2024-11-28 03:03:40,937 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:03:40,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:40,996 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-11-28 03:03:40,996 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:03:40,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907059315] [2024-11-28 03:03:40,998 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:03:40,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:40,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:41,001 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:41,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-28 03:03:41,087 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 03:03:41,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:03:41,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:03:41,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 93 proven. 50 refuted. 0 times theorem prover too weak. 2358 trivial. 0 not checked. [2024-11-28 03:03:42,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:47,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:47,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842753290] [2024-11-28 03:03:47,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:03:47,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907059315] [2024-11-28 03:03:47,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907059315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:47,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:47,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 03:03:47,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249033633] [2024-11-28 03:03:47,039 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:47,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:03:47,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:47,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:03:47,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=124, Unknown=1, NotChecked=0, Total=156 [2024-11-28 03:03:47,040 INFO L87 Difference]: Start difference. First operand 4972 states and 6490 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 03:03:48,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:03:48,653 INFO L93 Difference]: Finished difference Result 5087 states and 6646 transitions. [2024-11-28 03:03:48,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:03:48,653 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 350 [2024-11-28 03:03:48,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:03:48,661 INFO L225 Difference]: With dead ends: 5087 [2024-11-28 03:03:48,661 INFO L226 Difference]: Without dead ends: 5072 [2024-11-28 03:03:48,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=78, Invalid=227, Unknown=1, NotChecked=0, Total=306 [2024-11-28 03:03:48,663 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 174 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:03:48,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 160 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:03:48,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5072 states. [2024-11-28 03:03:49,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5072 to 3675. [2024-11-28 03:03:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3675 states, 3119 states have (on average 1.1638345623597306) internal successors, (3630), 3131 states have internal predecessors, (3630), 517 states have call successors, (517), 26 states have call predecessors, (517), 26 states have return successors, (517), 517 states have call predecessors, (517), 517 states have call successors, (517) [2024-11-28 03:03:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3675 states and 4664 transitions. [2024-11-28 03:03:49,456 INFO L78 Accepts]: Start accepts. Automaton has 3675 states and 4664 transitions. Word has length 350 [2024-11-28 03:03:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:03:49,457 INFO L471 AbstractCegarLoop]: Abstraction has 3675 states and 4664 transitions. [2024-11-28 03:03:49,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-28 03:03:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 4664 transitions. [2024-11-28 03:03:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-28 03:03:49,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:03:49,460 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:03:49,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-28 03:03:49,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:49,660 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:03:49,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:03:49,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2106559552, now seen corresponding path program 2 times [2024-11-28 03:03:49,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:03:49,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219718341] [2024-11-28 03:03:49,661 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:03:49,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:03:49,692 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:03:49,692 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:03:49,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [387743860] [2024-11-28 03:03:49,694 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:03:49,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:03:49,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:03:49,696 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:03:49,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-28 03:03:49,829 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:03:49,829 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:03:49,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-28 03:03:49,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:03:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 0 proven. 517 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-28 03:03:51,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:03:57,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:03:57,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219718341] [2024-11-28 03:03:57,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:03:57,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387743860] [2024-11-28 03:03:57,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387743860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:03:57,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:03:57,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-28 03:03:57,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048866017] [2024-11-28 03:03:57,535 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:03:57,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-28 03:03:57,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:03:57,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-28 03:03:57,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1019, Unknown=1, NotChecked=0, Total=1190 [2024-11-28 03:03:57,536 INFO L87 Difference]: Start difference. First operand 3675 states and 4664 transitions. Second operand has 23 states, 22 states have (on average 8.863636363636363) internal successors, (195), 23 states have internal predecessors, (195), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2024-11-28 03:04:00,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:00,828 INFO L93 Difference]: Finished difference Result 3763 states and 4760 transitions. [2024-11-28 03:04:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 03:04:00,829 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.863636363636363) internal successors, (195), 23 states have internal predecessors, (195), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) Word has length 352 [2024-11-28 03:04:00,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:00,835 INFO L225 Difference]: With dead ends: 3763 [2024-11-28 03:04:00,836 INFO L226 Difference]: Without dead ends: 3738 [2024-11-28 03:04:00,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 645 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 722 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=366, Invalid=2603, Unknown=1, NotChecked=0, Total=2970 [2024-11-28 03:04:00,838 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 316 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 3411 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 3411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:00,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1640 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 3411 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 03:04:00,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2024-11-28 03:04:01,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3696. [2024-11-28 03:04:01,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3696 states, 3138 states have (on average 1.162842574888464) internal successors, (3649), 3150 states have internal predecessors, (3649), 519 states have call successors, (519), 26 states have call predecessors, (519), 26 states have return successors, (519), 519 states have call predecessors, (519), 519 states have call successors, (519) [2024-11-28 03:04:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3696 states and 4687 transitions. [2024-11-28 03:04:01,620 INFO L78 Accepts]: Start accepts. Automaton has 3696 states and 4687 transitions. Word has length 352 [2024-11-28 03:04:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:01,621 INFO L471 AbstractCegarLoop]: Abstraction has 3696 states and 4687 transitions. [2024-11-28 03:04:01,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.863636363636363) internal successors, (195), 23 states have internal predecessors, (195), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 10 states have call predecessors, (32), 10 states have call successors, (32) [2024-11-28 03:04:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 4687 transitions. [2024-11-28 03:04:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-28 03:04:01,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:01,624 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:01,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:01,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-11-28 03:04:01,824 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:04:01,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1370216018, now seen corresponding path program 3 times [2024-11-28 03:04:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414199204] [2024-11-28 03:04:01,825 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:04:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:01,896 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2024-11-28 03:04:01,896 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:04:01,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496808425] [2024-11-28 03:04:01,898 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:04:01,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:01,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:01,900 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:01,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-28 03:04:01,983 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 03:04:01,983 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:01,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 03:04:01,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:02,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 93 proven. 50 refuted. 0 times theorem prover too weak. 2358 trivial. 0 not checked. [2024-11-28 03:04:02,506 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2501 backedges. 93 proven. 50 refuted. 0 times theorem prover too weak. 2358 trivial. 0 not checked. [2024-11-28 03:04:03,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:03,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414199204] [2024-11-28 03:04:03,220 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:04:03,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496808425] [2024-11-28 03:04:03,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496808425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:04:03,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:04:03,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-28 03:04:03,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471276692] [2024-11-28 03:04:03,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:03,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:04:03,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:03,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:04:03,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:04:03,222 INFO L87 Difference]: Start difference. First operand 3696 states and 4687 transitions. Second operand has 13 states, 12 states have (on average 10.25) internal successors, (123), 13 states have internal predecessors, (123), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 03:04:05,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:05,211 INFO L93 Difference]: Finished difference Result 3782 states and 4801 transitions. [2024-11-28 03:04:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:04:05,211 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.25) internal successors, (123), 13 states have internal predecessors, (123), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 352 [2024-11-28 03:04:05,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:05,218 INFO L225 Difference]: With dead ends: 3782 [2024-11-28 03:04:05,218 INFO L226 Difference]: Without dead ends: 3703 [2024-11-28 03:04:05,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 690 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:04:05,219 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 176 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:05,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 188 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 03:04:05,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3703 states. [2024-11-28 03:04:06,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3703 to 3627. [2024-11-28 03:04:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3627 states, 3076 states have (on average 1.153446033810143) internal successors, (3548), 3088 states have internal predecessors, (3548), 512 states have call successors, (512), 26 states have call predecessors, (512), 26 states have return successors, (512), 512 states have call predecessors, (512), 512 states have call successors, (512) [2024-11-28 03:04:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 3627 states and 4572 transitions. [2024-11-28 03:04:06,025 INFO L78 Accepts]: Start accepts. Automaton has 3627 states and 4572 transitions. Word has length 352 [2024-11-28 03:04:06,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:06,025 INFO L471 AbstractCegarLoop]: Abstraction has 3627 states and 4572 transitions. [2024-11-28 03:04:06,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.25) internal successors, (123), 13 states have internal predecessors, (123), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 03:04:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 3627 states and 4572 transitions. [2024-11-28 03:04:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-28 03:04:06,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:06,027 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:06,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:06,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-11-28 03:04:06,228 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:04:06,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:06,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1753300865, now seen corresponding path program 3 times [2024-11-28 03:04:06,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:06,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140235964] [2024-11-28 03:04:06,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:04:06,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:06,261 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-28 03:04:06,261 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3064 backedges. 80 proven. 354 refuted. 0 times theorem prover too weak. 2630 trivial. 0 not checked. [2024-11-28 03:04:06,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:06,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140235964] [2024-11-28 03:04:06,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140235964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:06,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406759026] [2024-11-28 03:04:06,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:04:06,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:06,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:06,813 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:06,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-28 03:04:06,938 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-28 03:04:06,938 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:06,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:04:06,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3064 backedges. 10 proven. 354 refuted. 0 times theorem prover too weak. 2700 trivial. 0 not checked. [2024-11-28 03:04:07,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3064 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 2700 trivial. 0 not checked. [2024-11-28 03:04:08,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406759026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:04:08,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:04:08,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 25 [2024-11-28 03:04:08,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517217466] [2024-11-28 03:04:08,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:08,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 03:04:08,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:08,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 03:04:08,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2024-11-28 03:04:08,527 INFO L87 Difference]: Start difference. First operand 3627 states and 4572 transitions. Second operand has 26 states, 25 states have (on average 12.48) internal successors, (312), 26 states have internal predecessors, (312), 15 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 15 states have call predecessors, (51), 15 states have call successors, (51) [2024-11-28 03:04:18,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:18,648 INFO L93 Difference]: Finished difference Result 9663 states and 12478 transitions. [2024-11-28 03:04:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2024-11-28 03:04:18,648 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 12.48) internal successors, (312), 26 states have internal predecessors, (312), 15 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 15 states have call predecessors, (51), 15 states have call successors, (51) Word has length 371 [2024-11-28 03:04:18,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:18,665 INFO L225 Difference]: With dead ends: 9663 [2024-11-28 03:04:18,665 INFO L226 Difference]: Without dead ends: 9618 [2024-11-28 03:04:18,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 726 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7319 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=4626, Invalid=13734, Unknown=0, NotChecked=0, Total=18360 [2024-11-28 03:04:18,669 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 3981 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3981 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 2787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 779 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:18,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3981 Valid, 1240 Invalid, 2787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [779 Valid, 2008 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-28 03:04:18,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9618 states. [2024-11-28 03:04:20,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9618 to 5516. [2024-11-28 03:04:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5516 states, 4692 states have (on average 1.1679454390451833) internal successors, (5480), 4704 states have internal predecessors, (5480), 785 states have call successors, (785), 26 states have call predecessors, (785), 26 states have return successors, (785), 785 states have call predecessors, (785), 785 states have call successors, (785) [2024-11-28 03:04:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7050 transitions. [2024-11-28 03:04:20,095 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7050 transitions. Word has length 371 [2024-11-28 03:04:20,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:20,095 INFO L471 AbstractCegarLoop]: Abstraction has 5516 states and 7050 transitions. [2024-11-28 03:04:20,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 12.48) internal successors, (312), 26 states have internal predecessors, (312), 15 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 15 states have call predecessors, (51), 15 states have call successors, (51) [2024-11-28 03:04:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7050 transitions. [2024-11-28 03:04:20,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-11-28 03:04:20,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:20,097 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:20,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:20,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-28 03:04:20,298 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:04:20,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1436577813, now seen corresponding path program 3 times [2024-11-28 03:04:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:20,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237332101] [2024-11-28 03:04:20,299 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:04:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:20,363 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-11-28 03:04:20,364 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3078 backedges. 689 proven. 9 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-28 03:04:21,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:21,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237332101] [2024-11-28 03:04:21,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237332101] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:21,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270957578] [2024-11-28 03:04:21,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:04:21,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:21,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:21,598 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:21,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-28 03:04:21,682 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 03:04:21,682 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:21,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 03:04:21,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3078 backedges. 453 proven. 72 refuted. 0 times theorem prover too weak. 2553 trivial. 0 not checked. [2024-11-28 03:04:23,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:23,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270957578] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:23,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:04:23,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 11] total 39 [2024-11-28 03:04:23,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906112191] [2024-11-28 03:04:23,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:23,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-28 03:04:23,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:23,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-28 03:04:23,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1454, Unknown=0, NotChecked=0, Total=1722 [2024-11-28 03:04:23,821 INFO L87 Difference]: Start difference. First operand 5516 states and 7050 transitions. Second operand has 39 states, 39 states have (on average 7.384615384615385) internal successors, (288), 39 states have internal predecessors, (288), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 13 states have call predecessors, (48), 13 states have call successors, (48) [2024-11-28 03:04:32,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:32,591 INFO L93 Difference]: Finished difference Result 7777 states and 9841 transitions. [2024-11-28 03:04:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2024-11-28 03:04:32,591 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 7.384615384615385) internal successors, (288), 39 states have internal predecessors, (288), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 13 states have call predecessors, (48), 13 states have call successors, (48) Word has length 371 [2024-11-28 03:04:32,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:32,599 INFO L225 Difference]: With dead ends: 7777 [2024-11-28 03:04:32,599 INFO L226 Difference]: Without dead ends: 3190 [2024-11-28 03:04:32,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10514 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=4157, Invalid=24913, Unknown=0, NotChecked=0, Total=29070 [2024-11-28 03:04:32,609 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 572 mSDsluCounter, 1702 mSDsCounter, 0 mSdLazyCounter, 5451 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1829 SdHoareTripleChecker+Invalid, 5571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 5451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:32,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1829 Invalid, 5571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 5451 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 03:04:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2024-11-28 03:04:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 2944. [2024-11-28 03:04:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2526 states have (on average 1.102929532858274) internal successors, (2786), 2535 states have internal predecessors, (2786), 382 states have call successors, (382), 27 states have call predecessors, (382), 27 states have return successors, (382), 381 states have call predecessors, (382), 382 states have call successors, (382) [2024-11-28 03:04:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 3550 transitions. [2024-11-28 03:04:33,277 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 3550 transitions. Word has length 371 [2024-11-28 03:04:33,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:33,277 INFO L471 AbstractCegarLoop]: Abstraction has 2944 states and 3550 transitions. [2024-11-28 03:04:33,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 7.384615384615385) internal successors, (288), 39 states have internal predecessors, (288), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (48), 13 states have call predecessors, (48), 13 states have call successors, (48) [2024-11-28 03:04:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3550 transitions. [2024-11-28 03:04:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-28 03:04:33,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:33,280 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:33,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-11-28 03:04:33,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-28 03:04:33,480 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:04:33,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1032264254, now seen corresponding path program 2 times [2024-11-28 03:04:33,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:33,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354435706] [2024-11-28 03:04:33,481 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:04:33,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:33,503 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:04:33,503 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 0 proven. 692 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-28 03:04:34,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:34,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354435706] [2024-11-28 03:04:34,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354435706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:34,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059227018] [2024-11-28 03:04:34,348 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:04:34,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:34,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:34,350 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:34,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-28 03:04:34,489 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:04:34,489 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:34,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-28 03:04:34,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 6 proven. 2878 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2024-11-28 03:04:35,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 6 proven. 686 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-28 03:04:36,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059227018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:04:36,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:04:36,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 69 [2024-11-28 03:04:36,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892932019] [2024-11-28 03:04:36,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:36,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-11-28 03:04:36,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:36,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-11-28 03:04:36,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1042, Invalid=3788, Unknown=0, NotChecked=0, Total=4830 [2024-11-28 03:04:36,727 INFO L87 Difference]: Start difference. First operand 2944 states and 3550 transitions. Second operand has 70 states, 69 states have (on average 9.101449275362318) internal successors, (628), 70 states have internal predecessors, (628), 29 states have call successors, (105), 11 states have call predecessors, (105), 11 states have return successors, (105), 29 states have call predecessors, (105), 29 states have call successors, (105) [2024-11-28 03:04:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:38,324 INFO L93 Difference]: Finished difference Result 2956 states and 3559 transitions. [2024-11-28 03:04:38,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-28 03:04:38,324 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 69 states have (on average 9.101449275362318) internal successors, (628), 70 states have internal predecessors, (628), 29 states have call successors, (105), 11 states have call predecessors, (105), 11 states have return successors, (105), 29 states have call predecessors, (105), 29 states have call successors, (105) Word has length 376 [2024-11-28 03:04:38,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:38,329 INFO L225 Difference]: With dead ends: 2956 [2024-11-28 03:04:38,329 INFO L226 Difference]: Without dead ends: 2954 [2024-11-28 03:04:38,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 708 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1848 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2488, Invalid=7018, Unknown=0, NotChecked=0, Total=9506 [2024-11-28 03:04:38,330 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 394 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:38,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 821 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:04:38,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2954 states. [2024-11-28 03:04:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2954 to 2942. [2024-11-28 03:04:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2942 states, 2526 states have (on average 1.093428345209818) internal successors, (2762), 2533 states have internal predecessors, (2762), 382 states have call successors, (382), 27 states have call predecessors, (382), 27 states have return successors, (382), 381 states have call predecessors, (382), 382 states have call successors, (382) [2024-11-28 03:04:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 3526 transitions. [2024-11-28 03:04:38,991 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 3526 transitions. Word has length 376 [2024-11-28 03:04:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:38,991 INFO L471 AbstractCegarLoop]: Abstraction has 2942 states and 3526 transitions. [2024-11-28 03:04:38,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 9.101449275362318) internal successors, (628), 70 states have internal predecessors, (628), 29 states have call successors, (105), 11 states have call predecessors, (105), 11 states have return successors, (105), 29 states have call predecessors, (105), 29 states have call successors, (105) [2024-11-28 03:04:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3526 transitions. [2024-11-28 03:04:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-28 03:04:38,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:38,993 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:39,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-28 03:04:39,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:39,194 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:04:39,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:39,194 INFO L85 PathProgramCache]: Analyzing trace with hash 218606104, now seen corresponding path program 4 times [2024-11-28 03:04:39,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:39,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854152364] [2024-11-28 03:04:39,194 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:04:39,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:39,247 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:04:39,247 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:04:39,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549227760] [2024-11-28 03:04:39,249 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:04:39,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:39,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:39,252 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:39,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-28 03:04:39,402 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:04:39,402 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:39,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:04:39,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-28 03:04:41,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:41,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:41,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854152364] [2024-11-28 03:04:41,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:04:41,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549227760] [2024-11-28 03:04:41,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549227760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:41,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:41,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2024-11-28 03:04:41,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772130443] [2024-11-28 03:04:41,475 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:41,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:04:41,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:41,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:04:41,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:04:41,476 INFO L87 Difference]: Start difference. First operand 2942 states and 3526 transitions. Second operand has 24 states, 23 states have (on average 9.0) internal successors, (207), 24 states have internal predecessors, (207), 12 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2024-11-28 03:04:44,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:44,099 INFO L93 Difference]: Finished difference Result 3151 states and 3772 transitions. [2024-11-28 03:04:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 03:04:44,099 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 9.0) internal successors, (207), 24 states have internal predecessors, (207), 12 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) Word has length 379 [2024-11-28 03:04:44,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:44,106 INFO L225 Difference]: With dead ends: 3151 [2024-11-28 03:04:44,107 INFO L226 Difference]: Without dead ends: 3147 [2024-11-28 03:04:44,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=811, Unknown=0, NotChecked=0, Total=930 [2024-11-28 03:04:44,108 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 211 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 2886 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 2910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:44,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 967 Invalid, 2910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2886 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:04:44,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2024-11-28 03:04:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 2948. [2024-11-28 03:04:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2948 states, 2532 states have (on average 1.0936018957345972) internal successors, (2769), 2539 states have internal predecessors, (2769), 382 states have call successors, (382), 27 states have call predecessors, (382), 27 states have return successors, (382), 381 states have call predecessors, (382), 382 states have call successors, (382) [2024-11-28 03:04:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2948 states and 3533 transitions. [2024-11-28 03:04:44,798 INFO L78 Accepts]: Start accepts. Automaton has 2948 states and 3533 transitions. Word has length 379 [2024-11-28 03:04:44,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:44,799 INFO L471 AbstractCegarLoop]: Abstraction has 2948 states and 3533 transitions. [2024-11-28 03:04:44,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 9.0) internal successors, (207), 24 states have internal predecessors, (207), 12 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2024-11-28 03:04:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2948 states and 3533 transitions. [2024-11-28 03:04:44,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-28 03:04:44,801 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:44,801 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:44,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:45,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:45,001 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:04:45,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:45,002 INFO L85 PathProgramCache]: Analyzing trace with hash 442388458, now seen corresponding path program 5 times [2024-11-28 03:04:45,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:45,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490176142] [2024-11-28 03:04:45,002 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:04:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:45,052 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-11-28 03:04:45,052 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:04:45,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002740582] [2024-11-28 03:04:45,054 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:04:45,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:45,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:45,058 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:45,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-28 03:04:45,220 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-11-28 03:04:45,220 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:45,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 03:04:45,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-28 03:04:47,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:47,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:47,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490176142] [2024-11-28 03:04:47,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:04:47,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002740582] [2024-11-28 03:04:47,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002740582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:47,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:47,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2024-11-28 03:04:47,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781698753] [2024-11-28 03:04:47,498 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:47,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:04:47,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:47,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:04:47,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2024-11-28 03:04:47,499 INFO L87 Difference]: Start difference. First operand 2948 states and 3533 transitions. Second operand has 24 states, 23 states have (on average 9.0) internal successors, (207), 24 states have internal predecessors, (207), 12 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2024-11-28 03:04:50,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:04:50,232 INFO L93 Difference]: Finished difference Result 3223 states and 3858 transitions. [2024-11-28 03:04:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:04:50,233 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 9.0) internal successors, (207), 24 states have internal predecessors, (207), 12 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) Word has length 379 [2024-11-28 03:04:50,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:04:50,237 INFO L225 Difference]: With dead ends: 3223 [2024-11-28 03:04:50,237 INFO L226 Difference]: Without dead ends: 3219 [2024-11-28 03:04:50,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=968, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 03:04:50,238 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 225 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 2936 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 2970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:04:50,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1272 Invalid, 2970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2936 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:04:50,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2024-11-28 03:04:50,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 2990. [2024-11-28 03:04:50,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 2568 states have (on average 1.0934579439252337) internal successors, (2808), 2575 states have internal predecessors, (2808), 388 states have call successors, (388), 27 states have call predecessors, (388), 27 states have return successors, (388), 387 states have call predecessors, (388), 388 states have call successors, (388) [2024-11-28 03:04:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3584 transitions. [2024-11-28 03:04:50,901 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3584 transitions. Word has length 379 [2024-11-28 03:04:50,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:04:50,901 INFO L471 AbstractCegarLoop]: Abstraction has 2990 states and 3584 transitions. [2024-11-28 03:04:50,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 9.0) internal successors, (207), 24 states have internal predecessors, (207), 12 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 12 states have call predecessors, (35), 12 states have call successors, (35) [2024-11-28 03:04:50,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3584 transitions. [2024-11-28 03:04:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-11-28 03:04:50,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:04:50,903 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:04:50,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-11-28 03:04:51,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:51,104 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:04:51,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:04:51,104 INFO L85 PathProgramCache]: Analyzing trace with hash -771039656, now seen corresponding path program 6 times [2024-11-28 03:04:51,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:04:51,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888476701] [2024-11-28 03:04:51,104 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:04:51,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:04:51,156 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-11-28 03:04:51,156 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:04:51,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602079923] [2024-11-28 03:04:51,158 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:04:51,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:04:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:51,161 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:04:51,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-28 03:04:51,271 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-28 03:04:51,271 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:04:51,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 03:04:51,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:04:52,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 171 proven. 668 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-11-28 03:04:52,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:04:57,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:04:57,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888476701] [2024-11-28 03:04:57,880 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:04:57,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602079923] [2024-11-28 03:04:57,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602079923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:04:57,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:04:57,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-28 03:04:57,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61179425] [2024-11-28 03:04:57,880 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:04:57,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 03:04:57,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:04:57,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:04:57,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=290, Unknown=2, NotChecked=0, Total=342 [2024-11-28 03:04:57,881 INFO L87 Difference]: Start difference. First operand 2990 states and 3584 transitions. Second operand has 15 states, 14 states have (on average 8.642857142857142) internal successors, (121), 15 states have internal predecessors, (121), 5 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-28 03:05:01,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-28 03:05:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:04,809 INFO L93 Difference]: Finished difference Result 3445 states and 4141 transitions. [2024-11-28 03:05:04,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 03:05:04,810 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.642857142857142) internal successors, (121), 15 states have internal predecessors, (121), 5 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) Word has length 379 [2024-11-28 03:05:04,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:04,815 INFO L225 Difference]: With dead ends: 3445 [2024-11-28 03:05:04,815 INFO L226 Difference]: Without dead ends: 3396 [2024-11-28 03:05:04,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=268, Invalid=1062, Unknown=2, NotChecked=0, Total=1332 [2024-11-28 03:05:04,816 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 320 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:04,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 431 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-28 03:05:04,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3396 states. [2024-11-28 03:05:05,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3396 to 2674. [2024-11-28 03:05:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2299 states have (on average 1.055241409308395) internal successors, (2426), 2303 states have internal predecessors, (2426), 344 states have call successors, (344), 27 states have call predecessors, (344), 27 states have return successors, (344), 343 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-28 03:05:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3114 transitions. [2024-11-28 03:05:05,492 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3114 transitions. Word has length 379 [2024-11-28 03:05:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:05,492 INFO L471 AbstractCegarLoop]: Abstraction has 2674 states and 3114 transitions. [2024-11-28 03:05:05,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.642857142857142) internal successors, (121), 15 states have internal predecessors, (121), 5 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (19), 4 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-28 03:05:05,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3114 transitions. [2024-11-28 03:05:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-28 03:05:05,494 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:05,494 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:05,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-11-28 03:05:05,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:05,694 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:05:05,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:05,695 INFO L85 PathProgramCache]: Analyzing trace with hash -372926854, now seen corresponding path program 4 times [2024-11-28 03:05:05,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:05,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496444529] [2024-11-28 03:05:05,695 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:05:05,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:05,748 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:05:05,748 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:05:05,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003349188] [2024-11-28 03:05:05,750 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:05:05,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:05,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:05,753 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:05,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-28 03:05:05,900 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:05:05,900 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:05:05,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-28 03:05:05,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-28 03:05:08,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:05:25,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:25,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496444529] [2024-11-28 03:05:25,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:05:25,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003349188] [2024-11-28 03:05:25,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003349188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:05:25,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:05:25,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2024-11-28 03:05:25,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406986967] [2024-11-28 03:05:25,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:05:25,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-28 03:05:25,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:25,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 03:05:25,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=1323, Unknown=4, NotChecked=0, Total=1560 [2024-11-28 03:05:25,227 INFO L87 Difference]: Start difference. First operand 2674 states and 3114 transitions. Second operand has 24 states, 23 states have (on average 9.08695652173913) internal successors, (209), 24 states have internal predecessors, (209), 10 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 10 states have call predecessors, (35), 10 states have call successors, (35) [2024-11-28 03:05:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:28,791 INFO L93 Difference]: Finished difference Result 2891 states and 3370 transitions. [2024-11-28 03:05:28,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:05:28,792 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 9.08695652173913) internal successors, (209), 24 states have internal predecessors, (209), 10 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 10 states have call predecessors, (35), 10 states have call successors, (35) Word has length 381 [2024-11-28 03:05:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:28,796 INFO L225 Difference]: With dead ends: 2891 [2024-11-28 03:05:28,796 INFO L226 Difference]: Without dead ends: 2886 [2024-11-28 03:05:28,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 699 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=489, Invalid=3167, Unknown=4, NotChecked=0, Total=3660 [2024-11-28 03:05:28,797 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 307 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 4611 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 2088 SdHoareTripleChecker+Invalid, 4656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 4611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:28,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 2088 Invalid, 4656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 4611 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 03:05:28,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2024-11-28 03:05:29,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2699. [2024-11-28 03:05:29,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2699 states, 2320 states have (on average 1.0551724137931036) internal successors, (2448), 2324 states have internal predecessors, (2448), 348 states have call successors, (348), 27 states have call predecessors, (348), 27 states have return successors, (348), 347 states have call predecessors, (348), 348 states have call successors, (348) [2024-11-28 03:05:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2699 states and 3144 transitions. [2024-11-28 03:05:29,432 INFO L78 Accepts]: Start accepts. Automaton has 2699 states and 3144 transitions. Word has length 381 [2024-11-28 03:05:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:29,433 INFO L471 AbstractCegarLoop]: Abstraction has 2699 states and 3144 transitions. [2024-11-28 03:05:29,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 9.08695652173913) internal successors, (209), 24 states have internal predecessors, (209), 10 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 10 states have call predecessors, (35), 10 states have call successors, (35) [2024-11-28 03:05:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 3144 transitions. [2024-11-28 03:05:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-28 03:05:29,435 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:29,436 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:29,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-28 03:05:29,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2024-11-28 03:05:29,636 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:05:29,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash -66449460, now seen corresponding path program 5 times [2024-11-28 03:05:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:29,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297109476] [2024-11-28 03:05:29,637 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:05:29,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:29,677 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-11-28 03:05:29,677 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 03:05:29,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [669085768] [2024-11-28 03:05:29,679 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:05:29,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:29,682 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:29,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-28 03:05:29,857 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2024-11-28 03:05:29,857 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:05:29,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-28 03:05:29,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:31,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-28 03:05:31,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:05:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 17 proven. 615 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2024-11-28 03:05:32,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:32,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297109476] [2024-11-28 03:05:32,908 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:05:32,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669085768] [2024-11-28 03:05:32,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669085768] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:05:32,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:05:32,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 15] total 37 [2024-11-28 03:05:32,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560390000] [2024-11-28 03:05:32,908 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:05:32,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-28 03:05:32,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:32,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-28 03:05:32,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1195, Unknown=0, NotChecked=0, Total=1406 [2024-11-28 03:05:32,910 INFO L87 Difference]: Start difference. First operand 2699 states and 3144 transitions. Second operand has 38 states, 37 states have (on average 9.72972972972973) internal successors, (360), 38 states have internal predecessors, (360), 20 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 20 states have call predecessors, (62), 20 states have call successors, (62) [2024-11-28 03:05:40,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:40,264 INFO L93 Difference]: Finished difference Result 3151 states and 3672 transitions. [2024-11-28 03:05:40,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-28 03:05:40,265 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 9.72972972972973) internal successors, (360), 38 states have internal predecessors, (360), 20 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 20 states have call predecessors, (62), 20 states have call successors, (62) Word has length 381 [2024-11-28 03:05:40,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:40,270 INFO L225 Difference]: With dead ends: 3151 [2024-11-28 03:05:40,270 INFO L226 Difference]: Without dead ends: 3071 [2024-11-28 03:05:40,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 815 GetRequests, 728 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2279 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1133, Invalid=6523, Unknown=0, NotChecked=0, Total=7656 [2024-11-28 03:05:40,272 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 973 mSDsluCounter, 2011 mSDsCounter, 0 mSdLazyCounter, 4693 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 979 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 4956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 4693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:40,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [979 Valid, 2184 Invalid, 4956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 4693 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-28 03:05:40,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2024-11-28 03:05:40,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 2583. [2024-11-28 03:05:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2583 states, 2213 states have (on average 1.0465431540894714) internal successors, (2316), 2217 states have internal predecessors, (2316), 339 states have call successors, (339), 27 states have call predecessors, (339), 27 states have return successors, (339), 338 states have call predecessors, (339), 339 states have call successors, (339) [2024-11-28 03:05:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2583 states and 2994 transitions. [2024-11-28 03:05:40,972 INFO L78 Accepts]: Start accepts. Automaton has 2583 states and 2994 transitions. Word has length 381 [2024-11-28 03:05:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:40,973 INFO L471 AbstractCegarLoop]: Abstraction has 2583 states and 2994 transitions. [2024-11-28 03:05:40,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 9.72972972972973) internal successors, (360), 38 states have internal predecessors, (360), 20 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 20 states have call predecessors, (62), 20 states have call successors, (62) [2024-11-28 03:05:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 2994 transitions. [2024-11-28 03:05:40,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-11-28 03:05:40,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:40,975 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:40,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-11-28 03:05:41,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2024-11-28 03:05:41,176 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:05:41,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:41,176 INFO L85 PathProgramCache]: Analyzing trace with hash 359053601, now seen corresponding path program 1 times [2024-11-28 03:05:41,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:41,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515435014] [2024-11-28 03:05:41,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:41,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3748 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-28 03:05:41,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:41,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515435014] [2024-11-28 03:05:41,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515435014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:05:41,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657872255] [2024-11-28 03:05:41,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:41,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:41,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:41,599 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:41,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-28 03:05:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:41,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 03:05:41,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3748 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-28 03:05:42,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:05:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3748 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-28 03:05:43,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657872255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:05:43,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:05:43,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 38 [2024-11-28 03:05:43,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963076220] [2024-11-28 03:05:43,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:05:43,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-28 03:05:43,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:43,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-28 03:05:43,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=1158, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 03:05:43,748 INFO L87 Difference]: Start difference. First operand 2583 states and 2994 transitions. Second operand has 39 states, 38 states have (on average 16.263157894736842) internal successors, (618), 39 states have internal predecessors, (618), 32 states have call successors, (112), 1 states have call predecessors, (112), 1 states have return successors, (112), 32 states have call predecessors, (112), 32 states have call successors, (112) [2024-11-28 03:05:49,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:49,761 INFO L93 Difference]: Finished difference Result 3653 states and 4268 transitions. [2024-11-28 03:05:49,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-28 03:05:49,762 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 16.263157894736842) internal successors, (618), 39 states have internal predecessors, (618), 32 states have call successors, (112), 1 states have call predecessors, (112), 1 states have return successors, (112), 32 states have call predecessors, (112), 32 states have call successors, (112) Word has length 400 [2024-11-28 03:05:49,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:49,768 INFO L225 Difference]: With dead ends: 3653 [2024-11-28 03:05:49,768 INFO L226 Difference]: Without dead ends: 3638 [2024-11-28 03:05:49,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3870 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2886, Invalid=8886, Unknown=0, NotChecked=0, Total=11772 [2024-11-28 03:05:49,770 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 3186 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:49,770 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3192 Valid, 1647 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 03:05:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2024-11-28 03:05:50,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 2916. [2024-11-28 03:05:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2496 states have (on average 1.0544871794871795) internal successors, (2632), 2500 states have internal predecessors, (2632), 389 states have call successors, (389), 27 states have call predecessors, (389), 27 states have return successors, (389), 388 states have call predecessors, (389), 389 states have call successors, (389) [2024-11-28 03:05:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3410 transitions. [2024-11-28 03:05:50,552 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3410 transitions. Word has length 400 [2024-11-28 03:05:50,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:50,552 INFO L471 AbstractCegarLoop]: Abstraction has 2916 states and 3410 transitions. [2024-11-28 03:05:50,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 16.263157894736842) internal successors, (618), 39 states have internal predecessors, (618), 32 states have call successors, (112), 1 states have call predecessors, (112), 1 states have return successors, (112), 32 states have call predecessors, (112), 32 states have call successors, (112) [2024-11-28 03:05:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3410 transitions. [2024-11-28 03:05:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-11-28 03:05:50,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:50,555 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 37, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:50,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-11-28 03:05:50,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2024-11-28 03:05:50,755 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:05:50,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:50,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1873409879, now seen corresponding path program 4 times [2024-11-28 03:05:50,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:50,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117313150] [2024-11-28 03:05:50,756 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:05:50,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:50,786 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:05:50,786 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:05:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3416 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 3338 trivial. 0 not checked. [2024-11-28 03:05:50,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:50,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117313150] [2024-11-28 03:05:50,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117313150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:50,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:05:50,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099997222] [2024-11-28 03:05:50,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:50,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:05:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:50,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:05:50,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:05:50,950 INFO L87 Difference]: Start difference. First operand 2916 states and 3410 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:05:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:51,350 INFO L93 Difference]: Finished difference Result 3051 states and 3547 transitions. [2024-11-28 03:05:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:05:51,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 400 [2024-11-28 03:05:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:51,353 INFO L225 Difference]: With dead ends: 3051 [2024-11-28 03:05:51,353 INFO L226 Difference]: Without dead ends: 586 [2024-11-28 03:05:51,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:05:51,356 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 8 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:51,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 234 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:05:51,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-28 03:05:51,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 578. [2024-11-28 03:05:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 483 states have (on average 1.0434782608695652) internal successors, (504), 485 states have internal predecessors, (504), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 03:05:51,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 668 transitions. [2024-11-28 03:05:51,450 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 668 transitions. Word has length 400 [2024-11-28 03:05:51,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:51,451 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 668 transitions. [2024-11-28 03:05:51,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 03:05:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 668 transitions. [2024-11-28 03:05:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2024-11-28 03:05:51,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:51,452 INFO L218 NwaCegarLoop]: trace histogram [45, 45, 45, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:51,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-11-28 03:05:51,453 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:05:51,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:51,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1593413321, now seen corresponding path program 3 times [2024-11-28 03:05:51,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:51,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367173491] [2024-11-28 03:05:51,453 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:05:51,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:51,489 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-11-28 03:05:51,489 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:05:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5225 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-28 03:05:52,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:52,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367173491] [2024-11-28 03:05:52,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367173491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:05:52,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202355108] [2024-11-28 03:05:52,180 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:05:52,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:52,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:52,181 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:52,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-28 03:05:52,352 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-11-28 03:05:52,352 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:05:52,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:05:52,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5225 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-28 03:05:52,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:05:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5225 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-11-28 03:05:54,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202355108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:05:54,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:05:54,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 36 [2024-11-28 03:05:54,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991468030] [2024-11-28 03:05:54,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:05:54,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-28 03:05:54,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:54,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-28 03:05:54,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=962, Unknown=0, NotChecked=0, Total=1332 [2024-11-28 03:05:54,337 INFO L87 Difference]: Start difference. First operand 578 states and 668 transitions. Second operand has 37 states, 36 states have (on average 18.833333333333332) internal successors, (678), 37 states have internal predecessors, (678), 35 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 35 states have call predecessors, (129), 35 states have call successors, (129) [2024-11-28 03:05:55,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:55,461 INFO L93 Difference]: Finished difference Result 578 states and 668 transitions. [2024-11-28 03:05:55,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:05:55,461 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 18.833333333333332) internal successors, (678), 37 states have internal predecessors, (678), 35 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 35 states have call predecessors, (129), 35 states have call successors, (129) Word has length 461 [2024-11-28 03:05:55,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:55,463 INFO L225 Difference]: With dead ends: 578 [2024-11-28 03:05:55,463 INFO L226 Difference]: Without dead ends: 577 [2024-11-28 03:05:55,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 900 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=776, Invalid=1480, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 03:05:55,464 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 264 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:55,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 935 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 03:05:55,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-28 03:05:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-28 03:05:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 483 states have (on average 1.0227743271221532) internal successors, (494), 484 states have internal predecessors, (494), 82 states have call successors, (82), 10 states have call predecessors, (82), 10 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-28 03:05:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 658 transitions. [2024-11-28 03:05:55,563 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 658 transitions. Word has length 461 [2024-11-28 03:05:55,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:55,564 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 658 transitions. [2024-11-28 03:05:55,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 18.833333333333332) internal successors, (678), 37 states have internal predecessors, (678), 35 states have call successors, (129), 1 states have call predecessors, (129), 1 states have return successors, (129), 35 states have call predecessors, (129), 35 states have call successors, (129) [2024-11-28 03:05:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 658 transitions. [2024-11-28 03:05:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-11-28 03:05:55,565 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:55,566 INFO L218 NwaCegarLoop]: trace histogram [46, 46, 46, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:55,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-28 03:05:55,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:55,766 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-28 03:05:55,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:55,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1269578638, now seen corresponding path program 1 times [2024-11-28 03:05:55,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:55,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717826368] [2024-11-28 03:05:55,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:55,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5563 backedges. 1413 proven. 10 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-28 03:05:56,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:56,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717826368] [2024-11-28 03:05:56,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717826368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:05:56,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664501659] [2024-11-28 03:05:56,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:56,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:56,665 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:56,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-28 03:05:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:56,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 03:05:56,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5563 backedges. 5197 proven. 9 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-11-28 03:05:57,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:05:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5563 backedges. 1389 proven. 9 refuted. 0 times theorem prover too weak. 4165 trivial. 0 not checked. [2024-11-28 03:05:58,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664501659] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:05:58,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:05:58,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23, 24] total 26 [2024-11-28 03:05:58,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305638286] [2024-11-28 03:05:58,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:05:58,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 03:05:58,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:58,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 03:05:58,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2024-11-28 03:05:58,014 INFO L87 Difference]: Start difference. First operand 577 states and 658 transitions. Second operand has 26 states, 26 states have (on average 11.576923076923077) internal successors, (301), 26 states have internal predecessors, (301), 12 states have call successors, (88), 12 states have call predecessors, (88), 12 states have return successors, (88), 12 states have call predecessors, (88), 12 states have call successors, (88) [2024-11-28 03:05:58,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:58,661 INFO L93 Difference]: Finished difference Result 581 states and 661 transitions. [2024-11-28 03:05:58,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 03:05:58,661 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 11.576923076923077) internal successors, (301), 26 states have internal predecessors, (301), 12 states have call successors, (88), 12 states have call predecessors, (88), 12 states have return successors, (88), 12 states have call predecessors, (88), 12 states have call successors, (88) Word has length 492 [2024-11-28 03:05:58,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:58,663 INFO L225 Difference]: With dead ends: 581 [2024-11-28 03:05:58,663 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:05:58,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1030 GetRequests, 963 SyntacticMatches, 21 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=660, Invalid=1596, Unknown=0, NotChecked=0, Total=2256 [2024-11-28 03:05:58,664 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 32 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:58,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1838 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:05:58,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:05:58,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:05:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:05:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:05:58,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 492 [2024-11-28 03:05:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:58,665 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:05:58,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 11.576923076923077) internal successors, (301), 26 states have internal predecessors, (301), 12 states have call successors, (88), 12 states have call predecessors, (88), 12 states have return successors, (88), 12 states have call predecessors, (88), 12 states have call successors, (88) [2024-11-28 03:05:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:05:58,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:05:58,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 34 remaining) [2024-11-28 03:05:58,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 34 remaining) [2024-11-28 03:05:58,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 34 remaining) [2024-11-28 03:05:58,669 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 34 remaining) [2024-11-28 03:05:58,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 34 remaining) [2024-11-28 03:05:58,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 34 remaining) [2024-11-28 03:05:58,672 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 34 remaining) [2024-11-28 03:05:58,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-11-28 03:05:58,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac010d6-51ca-44a9-ab18-092feaf370bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:58,875 INFO L422 BasicCegarLoop]: Path program histogram: [6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:58,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.