./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.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_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/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_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/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_40616af8-01ce-41f1-b7fa-2b1819c1e19b/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 3d083d1689aabbf2f9bd2c9523429b32bf33c71fcafd2ea04f6cb909fe9a2705 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:04:24,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:04:24,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:04:24,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:04:24,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:04:24,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:04:24,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:04:24,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:04:24,842 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:04:24,842 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:04:24,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:04:24,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:04:24,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:04:24,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:04:24,843 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:04:24,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:04:24,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:04:24,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:04:24,844 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:04:24,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:04:24,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:04:24,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:04:24,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:04:24,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:04:24,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:24,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:24,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:24,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:24,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:04:24,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:04:24,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:04:24,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:04:24,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:04:24,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:04:24,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:04:24,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:04:24,848 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_40616af8-01ce-41f1-b7fa-2b1819c1e19b/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 -> 3d083d1689aabbf2f9bd2c9523429b32bf33c71fcafd2ea04f6cb909fe9a2705 [2024-11-27 20:04:25,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:04:25,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:04:25,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:04:25,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:04:25,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:04:25,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c [2024-11-27 20:04:28,168 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/data/b0fa07f51/46aac6ad564348c0917fe50669453cac/FLAG5babacdb0 [2024-11-27 20:04:28,429 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:04:28,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c [2024-11-27 20:04:28,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/data/b0fa07f51/46aac6ad564348c0917fe50669453cac/FLAG5babacdb0 [2024-11-27 20:04:28,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/data/b0fa07f51/46aac6ad564348c0917fe50669453cac [2024-11-27 20:04:28,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:04:28,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:04:28,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:28,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:04:28,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:04:28,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd03d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28, skipping insertion in model container [2024-11-27 20:04:28,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:04:28,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:28,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:04:28,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:04:28,752 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:04:28,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28 WrapperNode [2024-11-27 20:04:28,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:04:28,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:28,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:04:28,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:04:28,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,792 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-27 20:04:28,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:04:28,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:04:28,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:04:28,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:04:28,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,833 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]. [2024-11-27 20:04:28,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,837 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:04:28,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:04:28,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:04:28,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:04:28,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (1/1) ... [2024-11-27 20:04:28,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:04:28,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:28,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:04:28,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:04:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:04:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:04:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:04:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:04:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:04:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:04:28,990 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:04:28,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:04:29,241 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-27 20:04:29,241 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:04:29,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:04:29,261 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:04:29,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:29 BoogieIcfgContainer [2024-11-27 20:04:29,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:04:29,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:04:29,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:04:29,271 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:04:29,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:04:28" (1/3) ... [2024-11-27 20:04:29,273 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f8b020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:29, skipping insertion in model container [2024-11-27 20:04:29,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:04:28" (2/3) ... [2024-11-27 20:04:29,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f8b020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:04:29, skipping insertion in model container [2024-11-27 20:04:29,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:29" (3/3) ... [2024-11-27 20:04:29,276 INFO L128 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound100.c [2024-11-27 20:04:29,300 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:04:29,302 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps2-ll_valuebound100.c that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2024-11-27 20:04:29,380 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:04:29,396 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;@3175e198, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:04:29,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-27 20:04:29,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 57 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-27 20:04:29,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:29,408 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-27 20:04:29,409 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:29,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:29,416 INFO L85 PathProgramCache]: Analyzing trace with hash 28693835, now seen corresponding path program 1 times [2024-11-27 20:04:29,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:29,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558356916] [2024-11-27 20:04:29,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:29,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:29,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558356916] [2024-11-27 20:04:29,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558356916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:29,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:29,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:29,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927138954] [2024-11-27 20:04:29,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:29,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:04:29,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:29,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:04:29,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:04:29,605 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 57 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-27 20:04:29,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:29,635 INFO L93 Difference]: Finished difference Result 116 states and 129 transitions. [2024-11-27 20:04:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:04:29,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-11-27 20:04:29,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:29,646 INFO L225 Difference]: With dead ends: 116 [2024-11-27 20:04:29,646 INFO L226 Difference]: Without dead ends: 52 [2024-11-27 20:04:29,651 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 [2024-11-27 20:04:29,656 INFO L435 NwaCegarLoop]: 59 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, 59 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 [2024-11-27 20:04:29,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:29,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-27 20:04:29,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-27 20:04:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 49 states have internal predecessors, (50), 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) [2024-11-27 20:04:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2024-11-27 20:04:29,709 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 5 [2024-11-27 20:04:29,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:29,710 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2024-11-27 20:04:29,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-27 20:04:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2024-11-27 20:04:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-27 20:04:29,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:29,711 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:04:29,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:04:29,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:29,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:29,712 INFO L85 PathProgramCache]: Analyzing trace with hash 889568518, now seen corresponding path program 1 times [2024-11-27 20:04:29,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:29,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434244958] [2024-11-27 20:04:29,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:29,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:29,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1368210434] [2024-11-27 20:04:29,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:29,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:29,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:29,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:29,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:04:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:29,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:04:29,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:29,870 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:29,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:29,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434244958] [2024-11-27 20:04:29,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368210434] [2024-11-27 20:04:29,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368210434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:29,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:29,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:29,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724295530] [2024-11-27 20:04:29,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:29,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:29,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:29,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:29,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:29,875 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2024-11-27 20:04:30,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:30,015 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2024-11-27 20:04:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:30,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2024-11-27 20:04:30,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:30,017 INFO L225 Difference]: With dead ends: 84 [2024-11-27 20:04:30,017 INFO L226 Difference]: Without dead ends: 80 [2024-11-27 20:04:30,018 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:30,019 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:30,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 52 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-27 20:04:30,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2024-11-27 20:04:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 64 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2024-11-27 20:04:30,035 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 6 [2024-11-27 20:04:30,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:30,036 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2024-11-27 20:04:30,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2024-11-27 20:04:30,036 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2024-11-27 20:04:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 20:04:30,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:30,037 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:30,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:04:30,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:30,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:30,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:30,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1806820335, now seen corresponding path program 1 times [2024-11-27 20:04:30,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:30,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543590581] [2024-11-27 20:04:30,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:30,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:30,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543590581] [2024-11-27 20:04:30,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543590581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:30,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:30,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:30,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420057525] [2024-11-27 20:04:30,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:30,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:30,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:30,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:30,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:30,370 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 3 states, 2 states have (on average 3.5) 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) [2024-11-27 20:04:30,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:30,516 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2024-11-27 20:04:30,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:30,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) 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 [2024-11-27 20:04:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:30,518 INFO L225 Difference]: With dead ends: 86 [2024-11-27 20:04:30,518 INFO L226 Difference]: Without dead ends: 78 [2024-11-27 20:04:30,518 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 [2024-11-27 20:04:30,519 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:30,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 56 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:30,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-27 20:04:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2024-11-27 20:04:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.52) internal successors, (76), 69 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2024-11-27 20:04:30,533 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 7 [2024-11-27 20:04:30,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:30,533 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2024-11-27 20:04:30,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) 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) [2024-11-27 20:04:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2024-11-27 20:04:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-27 20:04:30,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:30,534 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:30,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:04:30,538 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:30,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:30,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1840466102, now seen corresponding path program 1 times [2024-11-27 20:04:30,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:30,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195407142] [2024-11-27 20:04:30,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:30,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:30,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:30,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195407142] [2024-11-27 20:04:30,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195407142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:30,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:30,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:30,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326406024] [2024-11-27 20:04:30,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:30,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:30,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:30,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:30,653 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-27 20:04:30,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:30,782 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2024-11-27 20:04:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:30,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-27 20:04:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:30,784 INFO L225 Difference]: With dead ends: 82 [2024-11-27 20:04:30,784 INFO L226 Difference]: Without dead ends: 70 [2024-11-27 20:04:30,785 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 [2024-11-27 20:04:30,786 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 37 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:30,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 54 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:30,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-27 20:04:30,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2024-11-27 20:04:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 62 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2024-11-27 20:04:30,794 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 10 [2024-11-27 20:04:30,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:30,794 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2024-11-27 20:04:30,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-27 20:04:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2024-11-27 20:04:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-27 20:04:30,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:30,796 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:30,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:04:30,796 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:30,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:30,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1653662103, now seen corresponding path program 1 times [2024-11-27 20:04:30,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:30,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284404079] [2024-11-27 20:04:30,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:30,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:30,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:30,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:30,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284404079] [2024-11-27 20:04:30,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284404079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:30,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:30,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:04:30,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882422369] [2024-11-27 20:04:30,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:30,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:04:30,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:30,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:04:30,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:04:30,924 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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) [2024-11-27 20:04:30,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:30,958 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2024-11-27 20:04:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:04:30,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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 [2024-11-27 20:04:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:30,962 INFO L225 Difference]: With dead ends: 68 [2024-11-27 20:04:30,962 INFO L226 Difference]: Without dead ends: 66 [2024-11-27 20:04:30,962 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 [2024-11-27 20:04:30,963 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:30,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:30,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-27 20:04:30,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-27 20:04:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 62 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2024-11-27 20:04:30,974 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 19 [2024-11-27 20:04:30,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:30,975 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2024-11-27 20:04:30,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 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) [2024-11-27 20:04:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2024-11-27 20:04:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-27 20:04:30,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:30,978 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:30,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:04:30,979 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:30,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:30,980 INFO L85 PathProgramCache]: Analyzing trace with hash 95064155, now seen corresponding path program 1 times [2024-11-27 20:04:30,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:30,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969949129] [2024-11-27 20:04:30,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:31,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:31,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969949129] [2024-11-27 20:04:31,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969949129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:31,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:31,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:31,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269492436] [2024-11-27 20:04:31,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:31,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:31,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:31,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:31,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:31,146 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-27 20:04:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:31,282 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2024-11-27 20:04:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:31,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 23 [2024-11-27 20:04:31,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:31,284 INFO L225 Difference]: With dead ends: 69 [2024-11-27 20:04:31,284 INFO L226 Difference]: Without dead ends: 68 [2024-11-27 20:04:31,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:31,285 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:31,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 64 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-27 20:04:31,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2024-11-27 20:04:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 63 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:31,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2024-11-27 20:04:31,294 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 23 [2024-11-27 20:04:31,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:31,294 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2024-11-27 20:04:31,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-27 20:04:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2024-11-27 20:04:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-27 20:04:31,295 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:31,295 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:04:31,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:04:31,295 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:31,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1347978410, now seen corresponding path program 1 times [2024-11-27 20:04:31,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:31,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36342664] [2024-11-27 20:04:31,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:31,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:31,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:31,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36342664] [2024-11-27 20:04:31,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36342664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:31,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:04:31,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:04:31,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197517107] [2024-11-27 20:04:31,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:31,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:31,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:31,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:31,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:04:31,434 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-27 20:04:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:31,557 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2024-11-27 20:04:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:31,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 24 [2024-11-27 20:04:31,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:31,558 INFO L225 Difference]: With dead ends: 69 [2024-11-27 20:04:31,558 INFO L226 Difference]: Without dead ends: 68 [2024-11-27 20:04:31,558 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 [2024-11-27 20:04:31,559 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:31,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-27 20:04:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-27 20:04:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2024-11-27 20:04:31,569 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 24 [2024-11-27 20:04:31,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:31,570 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2024-11-27 20:04:31,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-27 20:04:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2024-11-27 20:04:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-27 20:04:31,571 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:31,571 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:04:31,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:04:31,571 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:31,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:31,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1672872952, now seen corresponding path program 1 times [2024-11-27 20:04:31,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:31,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135812360] [2024-11-27 20:04:31,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:31,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:04:31,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782849752] [2024-11-27 20:04:31,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:31,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:31,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:04:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:31,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:04:31,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:31,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:31,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:31,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135812360] [2024-11-27 20:04:31,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:31,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782849752] [2024-11-27 20:04:31,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782849752] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:31,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:04:31,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-27 20:04:31,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354451148] [2024-11-27 20:04:31,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:31,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:04:31,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:31,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:04:31,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:04:31,869 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:32,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:32,115 INFO L93 Difference]: Finished difference Result 131 states and 162 transitions. [2024-11-27 20:04:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:04:32,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2024-11-27 20:04:32,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:32,117 INFO L225 Difference]: With dead ends: 131 [2024-11-27 20:04:32,117 INFO L226 Difference]: Without dead ends: 127 [2024-11-27 20:04:32,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:04:32,120 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 91 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:32,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 101 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:04:32,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-27 20:04:32,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 99. [2024-11-27 20:04:32,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 93 states have internal predecessors, (116), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:04:32,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2024-11-27 20:04:32,137 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 26 [2024-11-27 20:04:32,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:32,138 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2024-11-27 20:04:32,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2024-11-27 20:04:32,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 20:04:32,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:32,139 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:04:32,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:04:32,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 20:04:32,343 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:32,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:32,343 INFO L85 PathProgramCache]: Analyzing trace with hash 319454013, now seen corresponding path program 1 times [2024-11-27 20:04:32,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:32,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961551213] [2024-11-27 20:04:32,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:32,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:32,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:32,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961551213] [2024-11-27 20:04:32,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961551213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:32,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534339703] [2024-11-27 20:04:32,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:32,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:32,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:32,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:32,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:04:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:32,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:04:32,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:32,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:32,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534339703] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:32,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:04:32,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-27 20:04:32,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864846875] [2024-11-27 20:04:32,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:32,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:04:32,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:32,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:04:32,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:04:32,744 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:04:32,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:32,913 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2024-11-27 20:04:32,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:04:32,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 27 [2024-11-27 20:04:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:32,915 INFO L225 Difference]: With dead ends: 99 [2024-11-27 20:04:32,916 INFO L226 Difference]: Without dead ends: 96 [2024-11-27 20:04:32,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:04:32,917 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 76 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:32,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 52 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:32,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-27 20:04:32,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-27 20:04:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 90 states have internal predecessors, (109), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:04:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2024-11-27 20:04:32,933 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 27 [2024-11-27 20:04:32,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:32,933 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2024-11-27 20:04:32,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:04:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2024-11-27 20:04:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-27 20:04:32,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:32,934 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] [2024-11-27 20:04:32,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:33,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-27 20:04:33,135 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:33,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:33,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1313139866, now seen corresponding path program 1 times [2024-11-27 20:04:33,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:33,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409759915] [2024-11-27 20:04:33,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:33,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:33,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409759915] [2024-11-27 20:04:33,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409759915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:33,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112768625] [2024-11-27 20:04:33,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:33,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:33,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:33,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:33,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:04:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:33,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:04:33,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:33,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:33,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112768625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:33,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:04:33,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-27 20:04:33,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202178710] [2024-11-27 20:04:33,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:33,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:04:33,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:33,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:04:33,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:04:33,491 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:04:33,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:33,702 INFO L93 Difference]: Finished difference Result 108 states and 129 transitions. [2024-11-27 20:04:33,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:04:33,703 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2024-11-27 20:04:33,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:33,704 INFO L225 Difference]: With dead ends: 108 [2024-11-27 20:04:33,704 INFO L226 Difference]: Without dead ends: 101 [2024-11-27 20:04:33,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:04:33,705 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 73 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:33,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 80 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:04:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-27 20:04:33,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 91. [2024-11-27 20:04:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 85 states have internal predecessors, (97), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:04:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2024-11-27 20:04:33,720 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 28 [2024-11-27 20:04:33,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:33,720 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2024-11-27 20:04:33,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-27 20:04:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2024-11-27 20:04:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-27 20:04:33,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:33,721 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:04:33,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:33,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:04:33,928 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:33,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:33,928 INFO L85 PathProgramCache]: Analyzing trace with hash -792971972, now seen corresponding path program 1 times [2024-11-27 20:04:33,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:33,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58989846] [2024-11-27 20:04:33,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:33,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:34,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:34,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58989846] [2024-11-27 20:04:34,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58989846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:34,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682333805] [2024-11-27 20:04:34,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:34,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:34,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:34,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:34,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:04:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:04:34,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:04:34,284 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:34,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682333805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:34,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:04:34,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-27 20:04:34,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246593307] [2024-11-27 20:04:34,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:34,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:04:34,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:34,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:04:34,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:04:34,288 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-27 20:04:34,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:34,395 INFO L93 Difference]: Finished difference Result 91 states and 105 transitions. [2024-11-27 20:04:34,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:04:34,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 30 [2024-11-27 20:04:34,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:34,397 INFO L225 Difference]: With dead ends: 91 [2024-11-27 20:04:34,398 INFO L226 Difference]: Without dead ends: 79 [2024-11-27 20:04:34,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:04:34,399 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:34,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 50 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:34,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-27 20:04:34,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-27 20:04:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.144927536231884) internal successors, (79), 73 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:04:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2024-11-27 20:04:34,416 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 30 [2024-11-27 20:04:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:34,416 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2024-11-27 20:04:34,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2024-11-27 20:04:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2024-11-27 20:04:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-27 20:04:34,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:34,421 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:04:34,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:04:34,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 20:04:34,621 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:34,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:34,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1163201563, now seen corresponding path program 1 times [2024-11-27 20:04:34,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:34,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88404961] [2024-11-27 20:04:34,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:34,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:34,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:34,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88404961] [2024-11-27 20:04:34,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88404961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:34,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564418051] [2024-11-27 20:04:34,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:34,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:34,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:34,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:34,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:04:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:34,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:04:34,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:34,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:34,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564418051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:34,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:04:34,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-27 20:04:34,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079815707] [2024-11-27 20:04:34,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:34,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:04:34,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:34,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:04:34,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:04:34,791 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:34,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:34,812 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2024-11-27 20:04:34,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:04:34,813 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-27 20:04:34,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:34,813 INFO L225 Difference]: With dead ends: 79 [2024-11-27 20:04:34,814 INFO L226 Difference]: Without dead ends: 78 [2024-11-27 20:04:34,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:04:34,814 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:34,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:34,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-27 20:04:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-27 20:04:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 72 states have internal predecessors, (76), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-27 20:04:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2024-11-27 20:04:34,822 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 39 [2024-11-27 20:04:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:34,823 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2024-11-27 20:04:34,823 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2024-11-27 20:04:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-27 20:04:34,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:34,824 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:04:34,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:35,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:35,028 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:35,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:35,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1699510012, now seen corresponding path program 1 times [2024-11-27 20:04:35,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:35,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002235747] [2024-11-27 20:04:35,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:35,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:35,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:35,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002235747] [2024-11-27 20:04:35,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002235747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:35,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656189009] [2024-11-27 20:04:35,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:35,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:35,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:35,090 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:35,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:04:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:35,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:04:35,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:35,200 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:35,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656189009] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:35,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:04:35,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-27 20:04:35,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009472286] [2024-11-27 20:04:35,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:35,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:04:35,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:35,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:04:35,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:04:35,278 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:04:35,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:35,327 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2024-11-27 20:04:35,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:04:35,327 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2024-11-27 20:04:35,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:35,328 INFO L225 Difference]: With dead ends: 91 [2024-11-27 20:04:35,329 INFO L226 Difference]: Without dead ends: 90 [2024-11-27 20:04:35,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:04:35,330 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:35,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 99 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-27 20:04:35,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2024-11-27 20:04:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 78 states have (on average 1.0769230769230769) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:04:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2024-11-27 20:04:35,340 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 40 [2024-11-27 20:04:35,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:35,341 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2024-11-27 20:04:35,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-27 20:04:35,341 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2024-11-27 20:04:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-27 20:04:35,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:35,345 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-27 20:04:35,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 20:04:35,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 20:04:35,546 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:35,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:35,546 INFO L85 PathProgramCache]: Analyzing trace with hash -2057819334, now seen corresponding path program 1 times [2024-11-27 20:04:35,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:35,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870822944] [2024-11-27 20:04:35,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:35,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:35,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:35,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870822944] [2024-11-27 20:04:35,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870822944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:35,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12654444] [2024-11-27 20:04:35,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:04:35,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:35,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:35,805 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:35,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:04:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:04:35,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:04:35,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:36,157 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:36,369 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:36,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12654444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:36,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:04:36,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-27 20:04:36,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673889818] [2024-11-27 20:04:36,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:36,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-27 20:04:36,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:36,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 20:04:36,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:04:36,371 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand has 20 states, 19 states have (on average 7.578947368421052) internal successors, (144), 20 states have internal predecessors, (144), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 20:04:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:36,726 INFO L93 Difference]: Finished difference Result 127 states and 141 transitions. [2024-11-27 20:04:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 20:04:36,726 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.578947368421052) internal successors, (144), 20 states have internal predecessors, (144), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 64 [2024-11-27 20:04:36,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:36,728 INFO L225 Difference]: With dead ends: 127 [2024-11-27 20:04:36,728 INFO L226 Difference]: Without dead ends: 126 [2024-11-27 20:04:36,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:04:36,729 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:36,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 95 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:04:36,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-27 20:04:36,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-11-27 20:04:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.0982142857142858) internal successors, (123), 115 states have internal predecessors, (123), 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) [2024-11-27 20:04:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 137 transitions. [2024-11-27 20:04:36,740 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 137 transitions. Word has length 64 [2024-11-27 20:04:36,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:36,741 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 137 transitions. [2024-11-27 20:04:36,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.578947368421052) internal successors, (144), 20 states have internal predecessors, (144), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 20:04:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2024-11-27 20:04:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-27 20:04:36,742 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:36,742 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 20:04:36,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 20:04:36,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-27 20:04:36,946 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:36,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:36,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2056456830, now seen corresponding path program 2 times [2024-11-27 20:04:36,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:36,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653140796] [2024-11-27 20:04:36,947 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:36,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:36,972 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:04:36,972 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:37,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:37,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653140796] [2024-11-27 20:04:37,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653140796] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:37,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984001814] [2024-11-27 20:04:37,178 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:37,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:37,181 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:37,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:04:37,236 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:04:37,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:37,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:04:37,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:37,544 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:04:37,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984001814] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:37,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:04:37,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-27 20:04:37,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788540608] [2024-11-27 20:04:37,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:37,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-27 20:04:37,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:37,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-27 20:04:37,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:04:37,815 INFO L87 Difference]: Start difference. First operand 124 states and 137 transitions. Second operand has 22 states, 21 states have (on average 7.238095238095238) internal successors, (152), 22 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 20:04:38,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:38,248 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2024-11-27 20:04:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:04:38,249 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.238095238095238) internal successors, (152), 22 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 68 [2024-11-27 20:04:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:38,250 INFO L225 Difference]: With dead ends: 132 [2024-11-27 20:04:38,251 INFO L226 Difference]: Without dead ends: 131 [2024-11-27 20:04:38,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-11-27 20:04:38,253 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:38,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 97 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:04:38,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-27 20:04:38,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-27 20:04:38,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 116 states have (on average 1.0775862068965518) internal successors, (125), 119 states have internal predecessors, (125), 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) [2024-11-27 20:04:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 139 transitions. [2024-11-27 20:04:38,263 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 139 transitions. Word has length 68 [2024-11-27 20:04:38,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:38,264 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 139 transitions. [2024-11-27 20:04:38,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.238095238095238) internal successors, (152), 22 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-27 20:04:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2024-11-27 20:04:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 20:04:38,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:38,265 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-27 20:04:38,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:38,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 20:04:38,470 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:38,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:38,471 INFO L85 PathProgramCache]: Analyzing trace with hash -2084615474, now seen corresponding path program 2 times [2024-11-27 20:04:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:38,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305960870] [2024-11-27 20:04:38,471 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:38,493 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:04:38,493 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:04:38,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980301831] [2024-11-27 20:04:38,495 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:38,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:38,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:38,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:38,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:04:38,558 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:04:38,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:38,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:04:38,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:04:38,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:04:38,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:38,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305960870] [2024-11-27 20:04:38,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:04:38,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980301831] [2024-11-27 20:04:38,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980301831] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:38,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:04:38,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-27 20:04:38,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537917449] [2024-11-27 20:04:38,994 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:38,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 20:04:38,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:38,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:04:38,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:04:38,996 INFO L87 Difference]: Start difference. First operand 128 states and 139 transitions. Second operand has 12 states, 11 states have (on average 12.0) internal successors, (132), 12 states have internal predecessors, (132), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:04:39,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:39,446 INFO L93 Difference]: Finished difference Result 182 states and 199 transitions. [2024-11-27 20:04:39,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:04:39,447 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.0) internal successors, (132), 12 states have internal predecessors, (132), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 86 [2024-11-27 20:04:39,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:39,448 INFO L225 Difference]: With dead ends: 182 [2024-11-27 20:04:39,449 INFO L226 Difference]: Without dead ends: 181 [2024-11-27 20:04:39,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:04:39,450 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 91 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:39,450 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 251 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:04:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-27 20:04:39,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 174. [2024-11-27 20:04:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 159 states have (on average 1.0880503144654088) internal successors, (173), 162 states have internal predecessors, (173), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:04:39,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 193 transitions. [2024-11-27 20:04:39,462 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 193 transitions. Word has length 86 [2024-11-27 20:04:39,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:39,463 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 193 transitions. [2024-11-27 20:04:39,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.0) internal successors, (132), 12 states have internal predecessors, (132), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 20:04:39,463 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 193 transitions. [2024-11-27 20:04:39,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-27 20:04:39,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:39,464 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-27 20:04:39,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 20:04:39,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 20:04:39,665 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:39,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:39,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1821040294, now seen corresponding path program 2 times [2024-11-27 20:04:39,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:39,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397203534] [2024-11-27 20:04:39,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:39,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:39,678 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:04:39,679 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-27 20:04:39,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:39,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397203534] [2024-11-27 20:04:39,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397203534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:39,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72607944] [2024-11-27 20:04:39,703 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:39,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:39,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:39,706 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:39,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:04:39,750 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:04:39,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:39,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:04:39,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-27 20:04:39,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:04:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-11-27 20:04:40,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72607944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:04:40,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:04:40,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 20:04:40,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948236984] [2024-11-27 20:04:40,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:04:40,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:04:40,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:40,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:04:40,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:04:40,048 INFO L87 Difference]: Start difference. First operand 174 states and 193 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:40,085 INFO L93 Difference]: Finished difference Result 174 states and 193 transitions. [2024-11-27 20:04:40,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:04:40,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 100 [2024-11-27 20:04:40,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:40,087 INFO L225 Difference]: With dead ends: 174 [2024-11-27 20:04:40,087 INFO L226 Difference]: Without dead ends: 173 [2024-11-27 20:04:40,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:04:40,088 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 37 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:40,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 50 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:04:40,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-27 20:04:40,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-27 20:04:40,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 159 states have (on average 1.050314465408805) internal successors, (167), 161 states have internal predecessors, (167), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:04:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 187 transitions. [2024-11-27 20:04:40,104 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 187 transitions. Word has length 100 [2024-11-27 20:04:40,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:40,105 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 187 transitions. [2024-11-27 20:04:40,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 187 transitions. [2024-11-27 20:04:40,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-27 20:04:40,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:40,107 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2024-11-27 20:04:40,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:04:40,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-27 20:04:40,308 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:40,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:40,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2057268994, now seen corresponding path program 2 times [2024-11-27 20:04:40,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:40,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830605931] [2024-11-27 20:04:40,308 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:40,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:40,362 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:04:40,362 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 20:04:40,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:40,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830605931] [2024-11-27 20:04:40,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830605931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:40,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728008547] [2024-11-27 20:04:40,915 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:04:40,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:40,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:40,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:40,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:04:40,973 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:04:40,973 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:40,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:04:40,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:04:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-27 20:04:41,233 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:41,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728008547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:41,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:04:41,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-27 20:04:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617259768] [2024-11-27 20:04:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:41,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:04:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:41,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:04:41,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-27 20:04:41,235 INFO L87 Difference]: Start difference. First operand 173 states and 187 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:41,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:04:41,375 INFO L93 Difference]: Finished difference Result 175 states and 189 transitions. [2024-11-27 20:04:41,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:04:41,375 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 144 [2024-11-27 20:04:41,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:04:41,377 INFO L225 Difference]: With dead ends: 175 [2024-11-27 20:04:41,377 INFO L226 Difference]: Without dead ends: 174 [2024-11-27 20:04:41,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:04:41,378 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:04:41,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 45 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:04:41,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-27 20:04:41,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2024-11-27 20:04:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 159 states have (on average 1.0251572327044025) internal successors, (163), 160 states have internal predecessors, (163), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:04:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 183 transitions. [2024-11-27 20:04:41,392 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 183 transitions. Word has length 144 [2024-11-27 20:04:41,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:04:41,394 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 183 transitions. [2024-11-27 20:04:41,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:04:41,394 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 183 transitions. [2024-11-27 20:04:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-27 20:04:41,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:04:41,397 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-27 20:04:41,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 20:04:41,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 20:04:41,601 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:04:41,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:04:41,601 INFO L85 PathProgramCache]: Analyzing trace with hash 797125190, now seen corresponding path program 3 times [2024-11-27 20:04:41,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:04:41,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343935187] [2024-11-27 20:04:41,602 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:04:41,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:04:41,693 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-27 20:04:41,694 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 20:04:42,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:04:42,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343935187] [2024-11-27 20:04:42,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343935187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:04:42,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461350125] [2024-11-27 20:04:42,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:04:42,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:04:42,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:04:42,240 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:04:42,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:04:42,302 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 20:04:42,303 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:04:42,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:04:42,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:06,680 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-27 20:05:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-27 20:05:10,713 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:05:10,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461350125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:05:10,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:05:10,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2024-11-27 20:05:10,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739318695] [2024-11-27 20:05:10,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:05:10,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:05:10,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:10,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:05:10,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=422, Unknown=2, NotChecked=42, Total=552 [2024-11-27 20:05:10,715 INFO L87 Difference]: Start difference. First operand 172 states and 183 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:05:23,771 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification. DAG size of input: 22 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:05:32,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:32,596 INFO L93 Difference]: Finished difference Result 174 states and 185 transitions. [2024-11-27 20:05:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 20:05:32,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 148 [2024-11-27 20:05:32,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:32,598 INFO L225 Difference]: With dead ends: 174 [2024-11-27 20:05:32,598 INFO L226 Difference]: Without dead ends: 173 [2024-11-27 20:05:32,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 33.1s TimeCoverageRelationStatistics Valid=116, Invalid=640, Unknown=4, NotChecked=52, Total=812 [2024-11-27 20:05:32,600 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 45 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:32,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 38 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 85 Invalid, 0 Unknown, 40 Unchecked, 1.1s Time] [2024-11-27 20:05:32,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-27 20:05:32,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2024-11-27 20:05:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 159 states have (on average 1.0062893081761006) internal successors, (160), 159 states have internal predecessors, (160), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:05:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 180 transitions. [2024-11-27 20:05:32,627 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 180 transitions. Word has length 148 [2024-11-27 20:05:32,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:32,628 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 180 transitions. [2024-11-27 20:05:32,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:05:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2024-11-27 20:05:32,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-27 20:05:32,631 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:32,631 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2024-11-27 20:05:32,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 20:05:32,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:32,835 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:05:32,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:32,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1198315898, now seen corresponding path program 3 times [2024-11-27 20:05:32,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:32,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057692148] [2024-11-27 20:05:32,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:05:32,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:32,948 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 20:05:32,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:05:32,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [353435780] [2024-11-27 20:05:32,950 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:05:32,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:32,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:32,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:32,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:05:33,109 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-27 20:05:33,109 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:05:33,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-27 20:05:33,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 0 proven. 740 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 20:05:33,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 0 proven. 740 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-27 20:05:34,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:34,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057692148] [2024-11-27 20:05:34,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:34,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353435780] [2024-11-27 20:05:34,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353435780] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:34,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:05:34,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-27 20:05:34,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381463985] [2024-11-27 20:05:34,817 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:34,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 20:05:34,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:34,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 20:05:34,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-27 20:05:34,820 INFO L87 Difference]: Start difference. First operand 171 states and 180 transitions. Second operand has 24 states, 23 states have (on average 13.565217391304348) internal successors, (312), 24 states have internal predecessors, (312), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:05:37,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:37,049 INFO L93 Difference]: Finished difference Result 364 states and 396 transitions. [2024-11-27 20:05:37,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-27 20:05:37,050 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.565217391304348) internal successors, (312), 24 states have internal predecessors, (312), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 206 [2024-11-27 20:05:37,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:37,052 INFO L225 Difference]: With dead ends: 364 [2024-11-27 20:05:37,052 INFO L226 Difference]: Without dead ends: 363 [2024-11-27 20:05:37,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 20:05:37,054 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 134 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:37,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 861 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 20:05:37,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-27 20:05:37,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-27 20:05:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 339 states have (on average 1.0029498525073746) internal successors, (340), 339 states have internal predecessors, (340), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-27 20:05:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 384 transitions. [2024-11-27 20:05:37,101 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 384 transitions. Word has length 206 [2024-11-27 20:05:37,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:37,101 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 384 transitions. [2024-11-27 20:05:37,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.565217391304348) internal successors, (312), 24 states have internal predecessors, (312), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:05:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 384 transitions. [2024-11-27 20:05:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2024-11-27 20:05:37,111 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:37,111 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2024-11-27 20:05:37,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-27 20:05:37,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:37,315 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:05:37,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:37,316 INFO L85 PathProgramCache]: Analyzing trace with hash -833750318, now seen corresponding path program 4 times [2024-11-27 20:05:37,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:37,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9355583] [2024-11-27 20:05:37,316 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:05:37,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:37,475 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:05:37,475 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:05:37,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1084683276] [2024-11-27 20:05:37,482 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:05:37,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:37,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:37,484 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:37,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 20:05:37,693 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:05:37,693 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:05:37,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-27 20:05:37,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4664 backedges. 0 proven. 3740 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-27 20:05:38,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:05:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4664 backedges. 0 proven. 3740 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-27 20:05:41,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:05:41,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9355583] [2024-11-27 20:05:41,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:05:41,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084683276] [2024-11-27 20:05:41,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084683276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:05:41,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:05:41,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-11-27 20:05:41,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513524275] [2024-11-27 20:05:41,475 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:05:41,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-27 20:05:41,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:05:41,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-27 20:05:41,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 20:05:41,481 INFO L87 Difference]: Start difference. First operand 363 states and 384 transitions. Second operand has 48 states, 47 states have (on average 14.297872340425531) internal successors, (672), 48 states have internal predecessors, (672), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-27 20:05:49,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:05:49,298 INFO L93 Difference]: Finished difference Result 748 states and 816 transitions. [2024-11-27 20:05:49,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-27 20:05:49,299 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 14.297872340425531) internal successors, (672), 48 states have internal predecessors, (672), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 446 [2024-11-27 20:05:49,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:05:49,303 INFO L225 Difference]: With dead ends: 748 [2024-11-27 20:05:49,304 INFO L226 Difference]: Without dead ends: 747 [2024-11-27 20:05:49,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2024-11-27 20:05:49,306 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 266 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 6071 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 3537 SdHoareTripleChecker+Invalid, 6095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:05:49,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 3537 Invalid, 6095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6071 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-27 20:05:49,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-27 20:05:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2024-11-27 20:05:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 699 states have (on average 1.0014306151645207) internal successors, (700), 699 states have internal predecessors, (700), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-27 20:05:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 792 transitions. [2024-11-27 20:05:49,404 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 792 transitions. Word has length 446 [2024-11-27 20:05:49,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:05:49,405 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 792 transitions. [2024-11-27 20:05:49,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 14.297872340425531) internal successors, (672), 48 states have internal predecessors, (672), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-27 20:05:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 792 transitions. [2024-11-27 20:05:49,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2024-11-27 20:05:49,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:05:49,441 INFO L218 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2024-11-27 20:05:49,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 20:05:49,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:49,642 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:05:49,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1460122238, now seen corresponding path program 5 times [2024-11-27 20:05:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:05:49,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327696080] [2024-11-27 20:05:49,643 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:05:49,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:50,401 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-27 20:05:50,402 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:05:50,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [38447216] [2024-11-27 20:05:50,411 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:05:50,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:05:50,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:50,415 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:05:50,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 20:05:51,599 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-27 20:05:51,599 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:05:51,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-27 20:05:51,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:54,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20792 backedges. 0 proven. 16652 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-27 20:05:54,296 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:02,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20792 backedges. 0 proven. 16652 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-27 20:06:02,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:02,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327696080] [2024-11-27 20:06:02,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:06:02,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38447216] [2024-11-27 20:06:02,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38447216] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:02,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:06:02,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2024-11-27 20:06:02,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519553744] [2024-11-27 20:06:02,655 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:02,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-27 20:06:02,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:02,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-27 20:06:02,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2024-11-27 20:06:02,663 INFO L87 Difference]: Start difference. First operand 747 states and 792 transitions. Second operand has 96 states, 95 states have (on average 14.652631578947368) internal successors, (1392), 96 states have internal predecessors, (1392), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-27 20:06:37,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:37,250 INFO L93 Difference]: Finished difference Result 1516 states and 1656 transitions. [2024-11-27 20:06:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-27 20:06:37,252 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 14.652631578947368) internal successors, (1392), 96 states have internal predecessors, (1392), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 926 [2024-11-27 20:06:37,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:37,260 INFO L225 Difference]: With dead ends: 1516 [2024-11-27 20:06:37,261 INFO L226 Difference]: Without dead ends: 1515 [2024-11-27 20:06:37,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1896 GetRequests, 1756 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 27.2s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2024-11-27 20:06:37,269 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 530 mSDsluCounter, 13536 mSDsCounter, 0 mSdLazyCounter, 24811 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 13873 SdHoareTripleChecker+Invalid, 24859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 24811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:37,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 13873 Invalid, 24859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [48 Valid, 24811 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2024-11-27 20:06:37,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2024-11-27 20:06:37,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1515. [2024-11-27 20:06:37,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1419 states have (on average 1.0007047216349543) internal successors, (1420), 1419 states have internal predecessors, (1420), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-27 20:06:37,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1608 transitions. [2024-11-27 20:06:37,407 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1608 transitions. Word has length 926 [2024-11-27 20:06:37,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:37,409 INFO L471 AbstractCegarLoop]: Abstraction has 1515 states and 1608 transitions. [2024-11-27 20:06:37,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 14.652631578947368) internal successors, (1392), 96 states have internal predecessors, (1392), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-27 20:06:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1608 transitions. [2024-11-27 20:06:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1887 [2024-11-27 20:06:37,441 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:37,441 INFO L218 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2024-11-27 20:06:37,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 20:06:37,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:37,642 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:06:37,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:37,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1751986914, now seen corresponding path program 6 times [2024-11-27 20:06:37,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:37,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742588988] [2024-11-27 20:06:37,643 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:06:37,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:39,482 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-27 20:06:39,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-27 20:06:39,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1089599917] [2024-11-27 20:06:39,495 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:06:39,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:39,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:39,498 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:39,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:08:55,863 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-27 20:08:55,863 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:55,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 2856 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-27 20:08:55,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:09:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 87608 backedges. 0 proven. 70124 refuted. 0 times theorem prover too weak. 17484 trivial. 0 not checked. [2024-11-27 20:09:04,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:09:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 87608 backedges. 0 proven. 70124 refuted. 0 times theorem prover too weak. 17484 trivial. 0 not checked. [2024-11-27 20:09:32,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:32,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742588988] [2024-11-27 20:09:32,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:09:32,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089599917] [2024-11-27 20:09:32,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089599917] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:09:32,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:09:32,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96] total 191 [2024-11-27 20:09:32,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969700960] [2024-11-27 20:09:32,591 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:09:32,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-27 20:09:32,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:32,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-27 20:09:32,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9406, Invalid=27266, Unknown=0, NotChecked=0, Total=36672 [2024-11-27 20:09:32,612 INFO L87 Difference]: Start difference. First operand 1515 states and 1608 transitions. Second operand has 192 states, 191 states have (on average 14.827225130890053) internal successors, (2832), 192 states have internal predecessors, (2832), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-27 20:12:35,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:35,305 INFO L93 Difference]: Finished difference Result 3052 states and 3336 transitions. [2024-11-27 20:12:35,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-27 20:12:35,307 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 14.827225130890053) internal successors, (2832), 192 states have internal predecessors, (2832), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) Word has length 1886 [2024-11-27 20:12:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:35,320 INFO L225 Difference]: With dead ends: 3052 [2024-11-27 20:12:35,321 INFO L226 Difference]: Without dead ends: 3051 [2024-11-27 20:12:35,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3864 GetRequests, 3580 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4371 ImplicationChecksByTransitivity, 155.6s TimeCoverageRelationStatistics Valid=27454, Invalid=54056, Unknown=0, NotChecked=0, Total=81510 [2024-11-27 20:12:35,330 INFO L435 NwaCegarLoop]: 673 mSDtfsCounter, 1058 mSDsluCounter, 54620 mSDsCounter, 0 mSdLazyCounter, 100313 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 55293 SdHoareTripleChecker+Invalid, 100409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 100313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:35,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 55293 Invalid, 100409 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [96 Valid, 100313 Invalid, 0 Unknown, 0 Unchecked, 50.2s Time] [2024-11-27 20:12:35,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2024-11-27 20:12:35,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 3051. [2024-11-27 20:12:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 2859 states have (on average 1.000349772647779) internal successors, (2860), 2859 states have internal predecessors, (2860), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-27 20:12:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 3240 transitions. [2024-11-27 20:12:35,558 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 3240 transitions. Word has length 1886 [2024-11-27 20:12:35,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:35,561 INFO L471 AbstractCegarLoop]: Abstraction has 3051 states and 3240 transitions. [2024-11-27 20:12:35,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 14.827225130890053) internal successors, (2832), 192 states have internal predecessors, (2832), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-27 20:12:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3240 transitions. [2024-11-27 20:12:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3807 [2024-11-27 20:12:35,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:35,690 INFO L218 NwaCegarLoop]: trace histogram [191, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 1, 1, 1, 1, 1] [2024-11-27 20:12:35,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 20:12:35,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-27 20:12:35,890 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-27 20:12:35,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:35,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1009255006, now seen corresponding path program 7 times [2024-11-27 20:12:35,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:35,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550030157] [2024-11-27 20:12:35,892 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:12:35,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 359480 backedges. 285394 proven. 2266 refuted. 0 times theorem prover too weak. 71820 trivial. 0 not checked. [2024-11-27 20:15:03,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:15:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550030157] [2024-11-27 20:15:03,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550030157] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:15:03,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25850044] [2024-11-27 20:15:03,541 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:15:03,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:15:03,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:15:03,545 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:15:03,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 20:15:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:15:04,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 5736 conjuncts, 196 conjuncts are in the unsatisfiable core [2024-11-27 20:15:04,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:16:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 359480 backedges. 287660 proven. 0 refuted. 0 times theorem prover too weak. 71820 trivial. 0 not checked. [2024-11-27 20:16:16,666 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:16:16,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25850044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:16:16,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:16:16,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [194] imperfect sequences [194] total 385 [2024-11-27 20:16:16,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200814792] [2024-11-27 20:16:16,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:16:16,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-11-27 20:16:16,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:16:16,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-11-27 20:16:16,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59301, Invalid=88539, Unknown=0, NotChecked=0, Total=147840 [2024-11-27 20:16:16,689 INFO L87 Difference]: Start difference. First operand 3051 states and 3240 transitions. Second operand has 194 states, 194 states have (on average 14.737113402061855) internal successors, (2859), 194 states have internal predecessors, (2859), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-27 20:16:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:16:26,200 INFO L93 Difference]: Finished difference Result 3055 states and 3243 transitions. [2024-11-27 20:16:26,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-27 20:16:26,202 INFO L78 Accepts]: Start accepts. Automaton has has 194 states, 194 states have (on average 14.737113402061855) internal successors, (2859), 194 states have internal predecessors, (2859), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) Word has length 3806 [2024-11-27 20:16:26,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:16:26,205 INFO L225 Difference]: With dead ends: 3055 [2024-11-27 20:16:26,205 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:16:26,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3999 GetRequests, 3616 SyntacticMatches, 0 SemanticMatches, 383 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39061 ImplicationChecksByTransitivity, 81.6s TimeCoverageRelationStatistics Valid=59301, Invalid=88539, Unknown=0, NotChecked=0, Total=147840 [2024-11-27 20:16:26,214 INFO L435 NwaCegarLoop]: 1416 mSDtfsCounter, 0 mSDsluCounter, 7759 mSDsCounter, 0 mSdLazyCounter, 2649 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9175 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:16:26,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9175 Invalid, 2650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2649 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 20:16:26,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:16:26,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:16:26,215 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) [2024-11-27 20:16:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:16:26,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3806 [2024-11-27 20:16:26,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:16:26,216 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:16:26,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 14.737113402061855) internal successors, (2859), 194 states have internal predecessors, (2859), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-27 20:16:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:16:26,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:16:26,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-27 20:16:26,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-27 20:16:26,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-27 20:16:26,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-27 20:16:26,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-27 20:16:26,222 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-27 20:16:26,223 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-27 20:16:26,224 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-27 20:16:26,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-27 20:16:26,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-27 20:16:26,427 INFO L422 BasicCegarLoop]: Path program histogram: [7, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:16:26,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:17:37,452 WARN L286 SmtUtils]: Spent 1.14m on a formula simplification. DAG size of input: 725 DAG size of output: 720 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 20:18:42,530 WARN L286 SmtUtils]: Spent 1.08m on a formula simplification. DAG size of input: 726 DAG size of output: 720 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-27 20:18:42,544 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:18:42,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:18:42 BoogieIcfgContainer [2024-11-27 20:18:42,665 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:18:42,666 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:18:42,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:18:42,667 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:18:42,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:04:29" (3/4) ... [2024-11-27 20:18:42,671 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:18:42,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-27 20:18:42,686 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-27 20:18:42,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 20:18:42,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:18:42,687 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:18:42,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:18:42,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:18:42,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:18:42,797 INFO L158 Benchmark]: Toolchain (without parser) took 854329.18ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 92.9MB in the beginning and 488.5MB in the end (delta: -395.5MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2024-11-27 20:18:42,797 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:18:42,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.52ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:18:42,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.44ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:18:42,801 INFO L158 Benchmark]: Boogie Preprocessor took 54.34ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:18:42,801 INFO L158 Benchmark]: RCFGBuilder took 407.41ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:18:42,802 INFO L158 Benchmark]: TraceAbstraction took 853400.31ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 66.2MB in the beginning and 505.2MB in the end (delta: -439.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-27 20:18:42,802 INFO L158 Benchmark]: Witness Printer took 129.85ms. Allocated memory is still 587.2MB. Free memory was 505.2MB in the beginning and 488.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:18:42,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.52ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.44ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.34ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 407.41ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 66.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 853400.31ms. Allocated memory was 117.4MB in the beginning and 587.2MB in the end (delta: 469.8MB). Free memory was 66.2MB in the beginning and 505.2MB in the end (delta: -439.0MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 129.85ms. Allocated memory is still 587.2MB. Free memory was 505.2MB in the beginning and 488.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 717.1s, OverallIterations: 24, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.2s, AutomataDifference: 261.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2623 SdHoareTripleChecker+Valid, 75.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2605 mSDsluCounter, 84190 SdHoareTripleChecker+Invalid, 65.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 40 IncrementalHoareTripleChecker+Unchecked, 80964 mSDsCounter, 278 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137113 IncrementalHoareTripleChecker+Invalid, 137431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 278 mSolverCounterUnsat, 3226 mSDtfsCounter, 137113 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12430 GetRequests, 11353 SyntacticMatches, 2 SemanticMatches, 1075 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 45421 ImplicationChecksByTransitivity, 305.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3051occurred in iteration=23, InterpolantAutomatonStates: 589, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 24 MinimizatonAttempts, 78 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 145.1s SatisfiabilityAnalysisTime, 303.4s InterpolantComputationTime, 16240 NumberOfCodeBlocks, 15840 NumberOfCodeBlocksAsserted, 357 NumberOfCheckSat, 16514 ConstructedInterpolants, 4 QuantifiedInterpolants, 110595 SizeOfPredicates, 8 NumberOfNonLiveVariables, 12104 ConjunctsInSsa, 632 ConjunctsInUnsatCore, 47 InterpolantComputations, 12 PerfectInterpolantSequences, 763871/949983 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && ((((y + ((__int128) y * y)) >= 0) ? ((y + ((__int128) y * y)) % 2) : (((y + ((__int128) y * y)) % 2) + 2)) == 0)) && (x <= (y + (((((__int128) -1 * y) + ((__int128) y * y)) >= 0) ? ((((__int128) -1 * y) + ((__int128) y * y)) / 2) : (((((__int128) -1 * y) + ((__int128) y * y)) / 2) - 1))))) && (k <= 100)) && (99 <= c)) && (y <= x)) && ((((__int128) y * 180) + ((__int128) y * y)) <= 9223372036854767707)) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (78 <= x)) && (x <= 3081)) && (78 <= c)) && (y == 78))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (92 <= x)) && (92 == y)) && (k <= 100)) && (92 <= c)) && (x <= 4278))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (x <= 861)) && (k <= 100)) && (41 == y)) && (41 <= c)) && (41 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 136)) && (16 == y)) && (16 <= c)) && (16 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (y == 83)) && (k <= 100)) && (83 <= c)) && (83 <= x)) && (x <= 3486))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (y == 43)) && (x <= 946)) && (43 <= x)) && (43 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (63 <= c)) && (k <= 100)) && (63 <= x)) && (x <= 2016)) && (y == 63))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (x <= 28)) && (k <= 100)) && (7 <= x)) && (7 == y)) && (7 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (38 <= c)) && (x <= 741)) && (38 <= x)) && (y == 38))) || (((((((0 <= k) && (6 == y)) && (6 <= x)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 21)) && (6 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (10 <= c)) && (k <= 100)) && (x <= 55)) && (y == 10)) && (10 <= x))) || (((((((0 <= k) && (51 <= c)) && (c <= 9223372036854775806)) && (k <= 100)) && (51 == y)) && (51 <= x)) && (x <= 1326))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (y == 86)) && (x <= 3741)) && (86 <= x)) && (86 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (22 == y)) && (k <= 100)) && (22 <= x)) && (x <= 253)) && (22 <= c))) || (((((((0 <= k) && (94 == y)) && (94 <= c)) && (c <= 9223372036854775806)) && (k <= 100)) && (94 <= x)) && (x <= 4465))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (81 <= x)) && (k <= 100)) && (81 == y)) && (x <= 3321)) && (81 <= c))) || (((((((0 <= k) && (69 <= x)) && (c <= 9223372036854775806)) && (k <= 100)) && (69 == y)) && (69 <= c)) && (x <= 2415))) || (((((((0 <= k) && (82 <= x)) && (82 <= c)) && (c <= 9223372036854775806)) && (k <= 100)) && (82 == y)) && (x <= 3403))) || (((((((0 <= k) && (19 <= x)) && (19 <= c)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 190)) && (19 == y))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (80 <= x)) && (k <= 100)) && (y == 80)) && (x <= 3240)) && (80 <= c))) || (((((((0 <= k) && (x <= 120)) && (c <= 9223372036854775806)) && (k <= 100)) && (15 <= x)) && (15 <= c)) && (y == 15))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 2278)) && (67 <= c)) && (67 <= x)) && (67 == y))) || (((((((0 <= k) && (66 <= c)) && (c <= 9223372036854775806)) && (k <= 100)) && (66 == y)) && (66 <= x)) && (x <= 2211))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (3 == y)) && (3 <= c)) && (x <= 6)) && (3 <= x))) || (((((((0 <= k) && (46 <= x)) && (c <= 9223372036854775806)) && (k <= 100)) && (46 <= c)) && (46 == y)) && (x <= 1081))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (33 <= c)) && (y == 33)) && (k <= 100)) && (x <= 561)) && (33 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (45 <= c)) && (k <= 100)) && (y == 45)) && (x <= 1035)) && (45 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (y == 61)) && (61 <= x)) && (61 <= c)) && (x <= 1891))) || (((((((0 <= k) && (64 <= c)) && (c <= 9223372036854775806)) && (k <= 100)) && (64 <= x)) && (64 == y)) && (x <= 2080))) || (((((((0 <= k) && (8 <= x)) && (c <= 9223372036854775806)) && (x <= 36)) && (k <= 100)) && (y == 8)) && (8 <= c))) || (((((((0 <= k) && (35 == y)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 630)) && (35 <= c)) && (35 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (26 <= c)) && (k <= 100)) && (y == 26)) && (26 <= x)) && (x <= 351))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (31 <= x)) && (31 <= c)) && (31 == y)) && (x <= 496))) || (((((((0 <= k) && (72 == y)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 2628)) && (72 <= x)) && (72 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 153)) && (17 <= x)) && (y == 17)) && (17 <= c))) || (((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && ((((y + ((__int128) y * y)) >= 0) ? ((y + ((__int128) y * y)) % 2) : (((y + ((__int128) y * y)) % 2) + 2)) == 0)) && (x <= (y + (((((__int128) -1 * y) + ((__int128) y * y)) >= 0) ? ((((__int128) -1 * y) + ((__int128) y * y)) / 2) : (((((__int128) -1 * y) + ((__int128) y * y)) / 2) - 1))))) && (k <= 100)) && (98 <= c)) && (y <= x)) && ((((__int128) y * 182) + ((__int128) y * y)) <= 9223372036854767526))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (32 == y)) && (k <= 100)) && (x <= 528)) && (32 <= x)) && (32 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (x <= 325)) && (k <= 100)) && (25 <= c)) && (25 <= x)) && (y == 25))) || (((((((0 <= k) && (47 == y)) && (c <= 9223372036854775806)) && (x <= 1128)) && (k <= 100)) && (47 <= x)) && (47 <= c))) || (((((((0 <= k) && (x <= 231)) && (c <= 9223372036854775806)) && (21 <= x)) && (k <= 100)) && (21 == y)) && (21 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (28 <= c)) && (28 <= x)) && (y == 28)) && (x <= 406))) || (((((((0 <= k) && (39 <= x)) && (c <= 9223372036854775806)) && (k <= 100)) && (39 <= c)) && (x <= 780)) && (y == 39))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (x <= 595)) && (k <= 100)) && (34 <= c)) && (34 <= x)) && (y == 34))) || (((((((0 <= k) && (x <= 3655)) && (y == 85)) && (c <= 9223372036854775806)) && (85 <= c)) && (k <= 100)) && (85 <= x))) || (((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && ((((y + ((__int128) y * y)) >= 0) ? ((y + ((__int128) y * y)) % 2) : (((y + ((__int128) y * y)) % 2) + 2)) == 0)) && (x <= (y + (((((__int128) -1 * y) + ((__int128) y * y)) >= 0) ? ((((__int128) -1 * y) + ((__int128) y * y)) / 2) : (((((__int128) -1 * y) + ((__int128) y * y)) / 2) - 1))))) && (k <= 100)) && (y <= x)) && (96 <= c)) && ((((__int128) y * 186) + ((__int128) y * y)) <= 9223372036854767158))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (52 <= c)) && (52 <= x)) && (52 == y)) && (x <= 1378))) || (((((((0 <= k) && (68 == y)) && (68 <= x)) && (c <= 9223372036854775806)) && (k <= 100)) && (68 <= c)) && (x <= 2346))) || (((((((0 <= k) && (x <= 4095)) && (c <= 9223372036854775806)) && (k <= 100)) && (90 <= x)) && (90 <= c)) && (y == 90))) || (((((((0 <= k) && (71 <= c)) && (c <= 9223372036854775806)) && (71 == y)) && (k <= 100)) && (71 <= x)) && (x <= 2556))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (37 <= x)) && (k <= 100)) && (x <= 703)) && (37 <= c)) && (y == 37))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (29 <= c)) && (x <= 435)) && (29 <= x)) && (29 == y))) || (((((((0 <= k) && (57 <= x)) && (c <= 9223372036854775806)) && (57 <= c)) && (k <= 100)) && (57 == y)) && (x <= 1653))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (84 <= c)) && (k <= 100)) && (84 == y)) && (84 <= x)) && (x <= 3570))) || (((((((((0 <= k) && (c <= 9223372036854775806)) && ((((__int128) 178 * y) + ((__int128) y * y)) <= 9223372036854767886)) && (1 <= y)) && ((((y + ((__int128) y * y)) >= 0) ? ((y + ((__int128) y * y)) % 2) : (((y + ((__int128) y * y)) % 2) + 2)) == 0)) && (x <= (y + (((((__int128) -1 * y) + ((__int128) y * y)) >= 0) ? ((((__int128) -1 * y) + ((__int128) y * y)) / 2) : (((((__int128) -1 * y) + ((__int128) y * y)) / 2) - 1))))) && (k <= 100)) && (100 <= c)) && (y <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (y == 55)) && (k <= 100)) && (55 <= c)) && (55 <= x)) && (x <= 1540))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (54 <= x)) && (x <= 1485)) && (54 <= c)) && (y == 54))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (56 <= x)) && (56 == y)) && (x <= 1596)) && (56 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (18 <= c)) && (y == 18)) && (x <= 171)) && (18 <= x))) || (((((((0 <= k) && (x <= 91)) && (c <= 9223372036854775806)) && (k <= 100)) && (13 <= c)) && (13 <= x)) && (y == 13))) || (((((0 <= k) && (c == 0)) && (k <= 100)) && (y == 0)) && (x == 0))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (62 == y)) && (k <= 100)) && (x <= 1953)) && (62 <= c)) && (62 <= x))) || (((((((0 <= k) && (2 <= x)) && (2 <= c)) && (k <= 100)) && (2 == y)) && (x <= 3)) && (c <= 9223372036854775805))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (x <= 990)) && (k <= 100)) && (44 == y)) && (44 <= x)) && (44 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (87 <= c)) && (87 <= x)) && (x <= 3828)) && (87 == y))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (88 <= x)) && (88 == y)) && (x <= 3916)) && (88 <= c))) || (((((((0 <= k) && (x <= 1711)) && (y == 58)) && (c <= 9223372036854775806)) && (k <= 100)) && (58 <= c)) && (58 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (50 <= x)) && (x <= 1275)) && (k <= 100)) && (y == 50)) && (50 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (91 <= x)) && (x <= 4186)) && (91 == y)) && (91 <= c))) || (((((((0 <= k) && (23 == y)) && (23 <= x)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 276)) && (23 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (42 <= x)) && (42 <= c)) && (x <= 903)) && (42 == y))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (x <= 2850)) && (y == 75)) && (k <= 100)) && (75 <= x)) && (75 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (89 == y)) && (x <= 4005)) && (89 <= x)) && (89 <= c))) || (((((((0 <= k) && (y == 4)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 10)) && (4 <= c)) && (4 <= x))) || (((((((0 <= k) && (77 == y)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 3003)) && (77 <= c)) && (77 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 465)) && (30 == y)) && (30 <= c)) && (30 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (76 <= x)) && (x <= 2926)) && (76 == y)) && (76 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 1830)) && (60 <= x)) && (60 <= c)) && (y == 60))) || (((((((0 <= k) && (x <= 66)) && (c <= 9223372036854775806)) && (11 <= c)) && (k <= 100)) && (y == 11)) && (11 <= x))) || (((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && ((((y + ((__int128) y * y)) >= 0) ? ((y + ((__int128) y * y)) % 2) : (((y + ((__int128) y * y)) % 2) + 2)) == 0)) && (x <= (y + (((((__int128) -1 * y) + ((__int128) y * y)) >= 0) ? ((((__int128) -1 * y) + ((__int128) y * y)) / 2) : (((((__int128) -1 * y) + ((__int128) y * y)) / 2) - 1))))) && (k <= 100)) && (97 <= c)) && (y <= x)) && ((((__int128) 184 * y) + ((__int128) y * y)) <= 9223372036854767343))) || (((((0 <= k) && (c == 1)) && (k <= 100)) && (x == 1)) && (y == 1))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (y == 36)) && (36 <= x)) && (x <= 666)) && (36 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (40 == y)) && (40 <= x)) && (40 <= c)) && (x <= 820))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 1225)) && (49 <= x)) && (49 == y)) && (49 <= c))) || (((((((0 <= k) && (12 <= c)) && (c <= 9223372036854775806)) && (y == 12)) && (k <= 100)) && (x <= 78)) && (12 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 1431)) && (53 <= c)) && (53 == y)) && (53 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (y == 48)) && (x <= 1176)) && (k <= 100)) && (48 <= x)) && (48 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 1770)) && (59 == y)) && (59 <= c)) && (59 <= x))) || (((((((0 <= k) && (79 <= c)) && (x <= 3160)) && (c <= 9223372036854775806)) && (k <= 100)) && (y == 79)) && (79 <= x))) || (((((((0 <= k) && (5 <= x)) && (5 == y)) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 15)) && (5 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 105)) && (14 == y)) && (14 <= c)) && (14 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (24 <= x)) && (k <= 100)) && (24 <= c)) && (y == 24)) && (x <= 300))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (9 <= c)) && (x <= 45)) && (9 <= x)) && (9 == y))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (20 <= x)) && (x <= 210)) && (y == 20)) && (20 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (27 <= c)) && (k <= 100)) && (y == 27)) && (x <= 378)) && (27 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (x <= 4371)) && (93 <= c)) && (y == 93)) && (93 <= x))) || (((((((0 <= k) && (x <= 2701)) && (c <= 9223372036854775806)) && (73 <= c)) && (k <= 100)) && (y == 73)) && (73 <= x))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (74 <= x)) && (74 <= c)) && (x <= 2775)) && (y == 74))) || (((((((((0 <= k) && (c <= 9223372036854775806)) && (1 <= y)) && ((((y + ((__int128) y * y)) >= 0) ? ((y + ((__int128) y * y)) % 2) : (((y + ((__int128) y * y)) % 2) + 2)) == 0)) && (x <= (y + (((((__int128) -1 * y) + ((__int128) y * y)) >= 0) ? ((((__int128) -1 * y) + ((__int128) y * y)) / 2) : (((((__int128) -1 * y) + ((__int128) y * y)) / 2) - 1))))) && (k <= 100)) && (95 <= c)) && (y <= x)) && ((((__int128) y * 188) + ((__int128) y * y)) <= 9223372036854766971))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (70 <= x)) && (k <= 100)) && (y == 70)) && (x <= 2485)) && (70 <= c))) || (((((((0 <= k) && (c <= 9223372036854775806)) && (k <= 100)) && (65 <= c)) && (x <= 2145)) && (65 <= x)) && (y == 65))) RESULT: Ultimate proved your program to be correct! [2024-11-27 20:18:43,025 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-27 20:18:43,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40616af8-01ce-41f1-b7fa-2b1819c1e19b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE