./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC --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 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:31:38,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:31:38,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 18:31:38,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:31:38,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:31:38,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:31:38,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:31:38,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:31:38,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:31:38,306 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:31:38,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:31:38,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:31:38,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:31:38,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:31:38,308 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:31:38,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:31:38,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:31:38,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:31:38,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:31:38,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:31:38,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:31:38,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:31:38,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:31:38,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:31:38,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 18:31:38,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:31:38,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:31:38,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:31:38,310 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:31:38,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:31:38,310 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:31:38,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:31:38,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:31:38,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:31:38,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:31:38,312 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:31:38,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:31:38,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:31:38,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:31:38,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:31:38,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:31:38,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:31:38,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:31:38,314 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_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC 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 -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2024-11-23 18:31:38,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:31:38,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:31:38,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:31:38,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:31:38,760 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:31:38,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-11-23 18:31:42,745 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/data/b697bffcd/5d8504fda5954342893930fe92e6f355/FLAG5d876b4fa [2024-11-23 18:31:43,088 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:31:43,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-11-23 18:31:43,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/data/b697bffcd/5d8504fda5954342893930fe92e6f355/FLAG5d876b4fa [2024-11-23 18:31:43,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/data/b697bffcd/5d8504fda5954342893930fe92e6f355 [2024-11-23 18:31:43,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:31:43,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:31:43,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:31:43,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:31:43,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:31:43,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7066ebfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43, skipping insertion in model container [2024-11-23 18:31:43,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,163 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:31:43,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:31:43,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:31:43,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:31:43,478 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:31:43,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43 WrapperNode [2024-11-23 18:31:43,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:31:43,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:31:43,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:31:43,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:31:43,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,521 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-23 18:31:43,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:31:43,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:31:43,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:31:43,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:31:43,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,567 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]. [2024-11-23 18:31:43,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:31:43,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:31:43,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:31:43,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:31:43,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (1/1) ... [2024-11-23 18:31:43,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:31:43,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:43,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:31:43,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:31:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:31:43,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:31:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:31:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:31:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-23 18:31:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-23 18:31:43,758 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:31:43,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:31:44,225 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-23 18:31:44,225 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:31:44,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:31:44,243 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:31:44,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:44 BoogieIcfgContainer [2024-11-23 18:31:44,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:31:44,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:31:44,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:31:44,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:31:44,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:31:43" (1/3) ... [2024-11-23 18:31:44,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa4542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:31:44, skipping insertion in model container [2024-11-23 18:31:44,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:31:43" (2/3) ... [2024-11-23 18:31:44,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa4542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:31:44, skipping insertion in model container [2024-11-23 18:31:44,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:44" (3/3) ... [2024-11-23 18:31:44,257 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound5.c [2024-11-23 18:31:44,279 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:31:44,281 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt1-ll_valuebound5.c that has 2 procedures, 121 locations, 1 initial locations, 1 loop locations, and 50 error locations. [2024-11-23 18:31:44,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:31:44,381 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;@167c53e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:31:44,382 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-23 18:31:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 63 states have (on average 1.873015873015873) internal successors, (118), 113 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 18:31:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-23 18:31:44,396 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:44,396 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-23 18:31:44,398 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:44,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:44,407 INFO L85 PathProgramCache]: Analyzing trace with hash 28693835, now seen corresponding path program 1 times [2024-11-23 18:31:44,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:44,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591095202] [2024-11-23 18:31:44,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:31:44,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:44,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591095202] [2024-11-23 18:31:44,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591095202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:44,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:44,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:31:44,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48243820] [2024-11-23 18:31:44,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:44,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:31:44,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:44,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:31:44,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:31:44,638 INFO L87 Difference]: Start difference. First operand has 121 states, 63 states have (on average 1.873015873015873) internal successors, (118), 113 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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) [2024-11-23 18:31:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:44,676 INFO L93 Difference]: Finished difference Result 234 states and 261 transitions. [2024-11-23 18:31:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:31:44,678 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 [2024-11-23 18:31:44,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:44,688 INFO L225 Difference]: With dead ends: 234 [2024-11-23 18:31:44,688 INFO L226 Difference]: Without dead ends: 110 [2024-11-23 18:31:44,693 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 [2024-11-23 18:31:44,698 INFO L435 NwaCegarLoop]: 121 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, 121 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 [2024-11-23 18:31:44,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:31:44,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-23 18:31:44,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-23 18:31:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 58 states have (on average 1.793103448275862) internal successors, (104), 103 states have internal predecessors, (104), 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) [2024-11-23 18:31:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2024-11-23 18:31:44,752 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 5 [2024-11-23 18:31:44,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:44,752 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2024-11-23 18:31:44,753 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) [2024-11-23 18:31:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2024-11-23 18:31:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-23 18:31:44,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:44,753 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-23 18:31:44,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:31:44,754 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:44,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:44,755 INFO L85 PathProgramCache]: Analyzing trace with hash 28695757, now seen corresponding path program 1 times [2024-11-23 18:31:44,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:44,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728776257] [2024-11-23 18:31:44,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:44,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:31:44,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:44,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728776257] [2024-11-23 18:31:44,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728776257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:44,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:44,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:31:44,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371849594] [2024-11-23 18:31:44,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:44,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:44,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:44,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:44,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:44,867 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2024-11-23 18:31:45,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:45,201 INFO L93 Difference]: Finished difference Result 204 states and 213 transitions. [2024-11-23 18:31:45,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:45,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2024-11-23 18:31:45,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:45,205 INFO L225 Difference]: With dead ends: 204 [2024-11-23 18:31:45,206 INFO L226 Difference]: Without dead ends: 184 [2024-11-23 18:31:45,206 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 [2024-11-23 18:31:45,210 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:45,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 162 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:45,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-23 18:31:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 149. [2024-11-23 18:31:45,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.6236559139784945) internal successors, (151), 138 states have internal predecessors, (151), 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) [2024-11-23 18:31:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 169 transitions. [2024-11-23 18:31:45,243 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 169 transitions. Word has length 5 [2024-11-23 18:31:45,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:45,243 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 169 transitions. [2024-11-23 18:31:45,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2024-11-23 18:31:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2024-11-23 18:31:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-23 18:31:45,244 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:45,245 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] [2024-11-23 18:31:45,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:31:45,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:45,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:45,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1009605224, now seen corresponding path program 1 times [2024-11-23 18:31:45,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:45,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541037830] [2024-11-23 18:31:45,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:45,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:31:45,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381561658] [2024-11-23 18:31:45,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:45,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:45,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:45,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:45,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:31:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:45,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:31:45,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 18:31:45,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:31:45,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:45,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541037830] [2024-11-23 18:31:45,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 18:31:45,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381561658] [2024-11-23 18:31:45,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381561658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:45,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:45,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:31:45,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831279666] [2024-11-23 18:31:45,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:45,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:45,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:45,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:45,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:45,513 INFO L87 Difference]: Start difference. First operand 149 states and 169 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:45,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:45,707 INFO L93 Difference]: Finished difference Result 176 states and 197 transitions. [2024-11-23 18:31:45,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:45,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-23 18:31:45,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:45,710 INFO L225 Difference]: With dead ends: 176 [2024-11-23 18:31:45,710 INFO L226 Difference]: Without dead ends: 168 [2024-11-23 18:31:45,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:45,712 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 41 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:45,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 148 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:31:45,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-23 18:31:45,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 160. [2024-11-23 18:31:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 103 states have (on average 1.5728155339805825) internal successors, (162), 148 states have internal predecessors, (162), 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) [2024-11-23 18:31:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 182 transitions. [2024-11-23 18:31:45,741 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 182 transitions. Word has length 26 [2024-11-23 18:31:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:45,742 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 182 transitions. [2024-11-23 18:31:45,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 182 transitions. [2024-11-23 18:31:45,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-23 18:31:45,743 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:45,743 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:45,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:31:45,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:45,944 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:45,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:45,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1232990947, now seen corresponding path program 1 times [2024-11-23 18:31:45,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:45,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213737770] [2024-11-23 18:31:45,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:45,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 18:31:46,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:46,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213737770] [2024-11-23 18:31:46,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213737770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:46,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:46,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:31:46,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010390839] [2024-11-23 18:31:46,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:46,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:46,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:46,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:46,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:46,158 INFO L87 Difference]: Start difference. First operand 160 states and 182 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:46,345 INFO L93 Difference]: Finished difference Result 176 states and 193 transitions. [2024-11-23 18:31:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:46,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-23 18:31:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:46,347 INFO L225 Difference]: With dead ends: 176 [2024-11-23 18:31:46,347 INFO L226 Difference]: Without dead ends: 166 [2024-11-23 18:31:46,348 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 [2024-11-23 18:31:46,349 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 38 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:46,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 162 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:31:46,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-23 18:31:46,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 163. [2024-11-23 18:31:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.490566037735849) internal successors, (158), 151 states have internal predecessors, (158), 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) [2024-11-23 18:31:46,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 178 transitions. [2024-11-23 18:31:46,364 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 178 transitions. Word has length 27 [2024-11-23 18:31:46,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:46,364 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 178 transitions. [2024-11-23 18:31:46,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 178 transitions. [2024-11-23 18:31:46,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-23 18:31:46,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:46,366 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:46,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:31:46,366 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:46,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:46,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1473063212, now seen corresponding path program 1 times [2024-11-23 18:31:46,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:46,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537818796] [2024-11-23 18:31:46,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 18:31:46,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:46,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537818796] [2024-11-23 18:31:46,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537818796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:46,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:46,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:46,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258961656] [2024-11-23 18:31:46,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:46,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:31:46,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:46,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:31:46,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:31:46,568 INFO L87 Difference]: Start difference. First operand 163 states and 178 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:46,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:46,848 INFO L93 Difference]: Finished difference Result 168 states and 183 transitions. [2024-11-23 18:31:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:31:46,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-23 18:31:46,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:46,851 INFO L225 Difference]: With dead ends: 168 [2024-11-23 18:31:46,851 INFO L226 Difference]: Without dead ends: 166 [2024-11-23 18:31:46,852 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 [2024-11-23 18:31:46,854 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 46 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:46,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 211 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-23 18:31:46,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 163. [2024-11-23 18:31:46,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.471698113207547) internal successors, (156), 151 states have internal predecessors, (156), 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) [2024-11-23 18:31:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 176 transitions. [2024-11-23 18:31:46,883 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 176 transitions. Word has length 30 [2024-11-23 18:31:46,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:46,885 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 176 transitions. [2024-11-23 18:31:46,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 176 transitions. [2024-11-23 18:31:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-23 18:31:46,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:46,887 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:46,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:31:46,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:46,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:46,888 INFO L85 PathProgramCache]: Analyzing trace with hash -308037648, now seen corresponding path program 1 times [2024-11-23 18:31:46,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:46,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163053278] [2024-11-23 18:31:46,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:46,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 18:31:47,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:47,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163053278] [2024-11-23 18:31:47,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163053278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:47,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:47,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:31:47,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172780409] [2024-11-23 18:31:47,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:47,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:31:47,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:47,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:31:47,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:47,104 INFO L87 Difference]: Start difference. First operand 163 states and 176 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:47,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:47,309 INFO L93 Difference]: Finished difference Result 168 states and 177 transitions. [2024-11-23 18:31:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:31:47,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2024-11-23 18:31:47,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:47,311 INFO L225 Difference]: With dead ends: 168 [2024-11-23 18:31:47,311 INFO L226 Difference]: Without dead ends: 140 [2024-11-23 18:31:47,312 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:31:47,313 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 29 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:47,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 144 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:31:47,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-23 18:31:47,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-23 18:31:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 85 states have (on average 1.5411764705882354) internal successors, (131), 130 states have internal predecessors, (131), 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) [2024-11-23 18:31:47,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 147 transitions. [2024-11-23 18:31:47,342 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 147 transitions. Word has length 34 [2024-11-23 18:31:47,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:47,343 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 147 transitions. [2024-11-23 18:31:47,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 18:31:47,343 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2024-11-23 18:31:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-23 18:31:47,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:47,344 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:47,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:31:47,345 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:47,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:47,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1633237305, now seen corresponding path program 1 times [2024-11-23 18:31:47,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:47,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54206006] [2024-11-23 18:31:47,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:47,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:31:47,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:47,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54206006] [2024-11-23 18:31:47,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54206006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:47,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:47,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:47,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899852337] [2024-11-23 18:31:47,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:47,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:31:47,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:47,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:31:47,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:31:47,651 INFO L87 Difference]: Start difference. First operand 140 states and 147 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:31:47,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:47,876 INFO L93 Difference]: Finished difference Result 143 states and 151 transitions. [2024-11-23 18:31:47,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:31:47,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-11-23 18:31:47,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:47,881 INFO L225 Difference]: With dead ends: 143 [2024-11-23 18:31:47,881 INFO L226 Difference]: Without dead ends: 142 [2024-11-23 18:31:47,882 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 [2024-11-23 18:31:47,882 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 1 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:47,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 207 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:31:47,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-23 18:31:47,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2024-11-23 18:31:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 86 states have (on average 1.5348837209302326) internal successors, (132), 131 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) [2024-11-23 18:31:47,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2024-11-23 18:31:47,905 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 47 [2024-11-23 18:31:47,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:47,905 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2024-11-23 18:31:47,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:31:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2024-11-23 18:31:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-23 18:31:47,907 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:47,907 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:47,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:31:47,909 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:47,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:47,910 INFO L85 PathProgramCache]: Analyzing trace with hash -909250986, now seen corresponding path program 1 times [2024-11-23 18:31:47,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:47,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593955945] [2024-11-23 18:31:47,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:48,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:31:48,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:48,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593955945] [2024-11-23 18:31:48,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593955945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:48,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:31:48,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:31:48,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642187487] [2024-11-23 18:31:48,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:48,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:31:48,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:48,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:31:48,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:31:48,142 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:31:48,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:48,309 INFO L93 Difference]: Finished difference Result 143 states and 150 transitions. [2024-11-23 18:31:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:31:48,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-23 18:31:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:48,312 INFO L225 Difference]: With dead ends: 143 [2024-11-23 18:31:48,312 INFO L226 Difference]: Without dead ends: 142 [2024-11-23 18:31:48,312 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 [2024-11-23 18:31:48,313 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:48,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:31:48,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-23 18:31:48,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-23 18:31:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.528735632183908) internal successors, (133), 132 states have internal predecessors, (133), 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) [2024-11-23 18:31:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2024-11-23 18:31:48,327 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 48 [2024-11-23 18:31:48,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:48,328 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2024-11-23 18:31:48,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:31:48,329 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2024-11-23 18:31:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-23 18:31:48,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:48,333 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:48,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:31:48,334 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:48,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1877990555, now seen corresponding path program 1 times [2024-11-23 18:31:48,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:48,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136726691] [2024-11-23 18:31:48,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:31:48,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:48,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136726691] [2024-11-23 18:31:48,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136726691] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:48,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982507040] [2024-11-23 18:31:48,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:48,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:48,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:48,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:31:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:48,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:31:48,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:31:48,692 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:31:48,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982507040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:48,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:31:48,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-23 18:31:48,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488280371] [2024-11-23 18:31:48,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:48,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:31:48,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:48,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:31:48,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:31:48,695 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:31:48,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:48,846 INFO L93 Difference]: Finished difference Result 142 states and 149 transitions. [2024-11-23 18:31:48,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:31:48,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-23 18:31:48,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:48,849 INFO L225 Difference]: With dead ends: 142 [2024-11-23 18:31:48,849 INFO L226 Difference]: Without dead ends: 133 [2024-11-23 18:31:48,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:31:48,851 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 120 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:48,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 117 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:31:48,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-23 18:31:48,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-23 18:31:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 123 states have internal predecessors, (124), 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) [2024-11-23 18:31:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 140 transitions. [2024-11-23 18:31:48,864 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 140 transitions. Word has length 49 [2024-11-23 18:31:48,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:48,866 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 140 transitions. [2024-11-23 18:31:48,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-23 18:31:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 140 transitions. [2024-11-23 18:31:48,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-23 18:31:48,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:48,868 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:48,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 18:31:49,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:49,069 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:49,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:49,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1911834888, now seen corresponding path program 1 times [2024-11-23 18:31:49,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:49,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756932983] [2024-11-23 18:31:49,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:49,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:31:49,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:49,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756932983] [2024-11-23 18:31:49,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756932983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:49,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213696348] [2024-11-23 18:31:49,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:49,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:49,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:49,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:49,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:31:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:49,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:31:49,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:31:49,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:31:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-23 18:31:49,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213696348] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:31:49,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:31:49,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-23 18:31:49,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032128655] [2024-11-23 18:31:49,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:31:49,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:31:49,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:49,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:31:49,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:31:49,537 INFO L87 Difference]: Start difference. First operand 133 states and 140 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 18:31:49,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:49,758 INFO L93 Difference]: Finished difference Result 226 states and 255 transitions. [2024-11-23 18:31:49,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:31:49,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 50 [2024-11-23 18:31:49,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:49,760 INFO L225 Difference]: With dead ends: 226 [2024-11-23 18:31:49,760 INFO L226 Difference]: Without dead ends: 217 [2024-11-23 18:31:49,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:31:49,761 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 180 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:49,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 206 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:31:49,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-23 18:31:49,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 124. [2024-11-23 18:31:49,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 114 states have internal predecessors, (115), 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) [2024-11-23 18:31:49,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 131 transitions. [2024-11-23 18:31:49,776 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 131 transitions. Word has length 50 [2024-11-23 18:31:49,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:49,777 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 131 transitions. [2024-11-23 18:31:49,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-23 18:31:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 131 transitions. [2024-11-23 18:31:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-23 18:31:49,779 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:49,779 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:49,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:31:49,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:49,982 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:49,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:49,983 INFO L85 PathProgramCache]: Analyzing trace with hash -540216183, now seen corresponding path program 1 times [2024-11-23 18:31:49,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:49,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8378545] [2024-11-23 18:31:49,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:31:50,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [920421736] [2024-11-23 18:31:50,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:50,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:50,014 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:50,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 18:31:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:50,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:31:50,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 18:31:50,218 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:31:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-23 18:31:50,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:50,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8378545] [2024-11-23 18:31:50,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 18:31:50,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920421736] [2024-11-23 18:31:50,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920421736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:31:50,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:31:50,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-23 18:31:50,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038602324] [2024-11-23 18:31:50,469 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:31:50,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:31:50,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:50,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:31:50,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:31:50,471 INFO L87 Difference]: Start difference. First operand 124 states and 131 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-23 18:31:50,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:50,804 INFO L93 Difference]: Finished difference Result 300 states and 322 transitions. [2024-11-23 18:31:50,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:31:50,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 63 [2024-11-23 18:31:50,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:50,808 INFO L225 Difference]: With dead ends: 300 [2024-11-23 18:31:50,808 INFO L226 Difference]: Without dead ends: 298 [2024-11-23 18:31:50,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:31:50,810 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 237 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:50,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 305 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:50,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-23 18:31:50,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 198. [2024-11-23 18:31:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 155 states have (on average 1.3806451612903226) internal successors, (214), 181 states have internal predecessors, (214), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-23 18:31:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 244 transitions. [2024-11-23 18:31:50,834 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 244 transitions. Word has length 63 [2024-11-23 18:31:50,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:50,835 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 244 transitions. [2024-11-23 18:31:50,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-23 18:31:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 244 transitions. [2024-11-23 18:31:50,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-23 18:31:50,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:50,836 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:50,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-23 18:31:51,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:51,037 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:51,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:51,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1877678246, now seen corresponding path program 1 times [2024-11-23 18:31:51,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:51,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361354606] [2024-11-23 18:31:51,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:51,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:31:51,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [425009555] [2024-11-23 18:31:51,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:51,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:51,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:51,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:51,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 18:31:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:51,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:31:51,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:51,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:31:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:51,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:51,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361354606] [2024-11-23 18:31:51,531 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 18:31:51,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425009555] [2024-11-23 18:31:51,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425009555] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:31:51,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:31:51,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-23 18:31:51,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588788240] [2024-11-23 18:31:51,532 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:31:51,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:31:51,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:51,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:31:51,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:31:51,535 INFO L87 Difference]: Start difference. First operand 198 states and 244 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-23 18:31:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:51,940 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2024-11-23 18:31:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:31:51,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 70 [2024-11-23 18:31:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:51,943 INFO L225 Difference]: With dead ends: 258 [2024-11-23 18:31:51,943 INFO L226 Difference]: Without dead ends: 250 [2024-11-23 18:31:51,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:31:51,944 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 218 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:51,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 208 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:51,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-23 18:31:51,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 194. [2024-11-23 18:31:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 157 states have (on average 1.267515923566879) internal successors, (199), 176 states have internal predecessors, (199), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:31:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 231 transitions. [2024-11-23 18:31:51,966 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 231 transitions. Word has length 70 [2024-11-23 18:31:51,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:51,966 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 231 transitions. [2024-11-23 18:31:51,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-23 18:31:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 231 transitions. [2024-11-23 18:31:51,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 18:31:51,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:51,968 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:51,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 18:31:52,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-23 18:31:52,169 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:52,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:52,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1921516593, now seen corresponding path program 1 times [2024-11-23 18:31:52,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:52,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861316340] [2024-11-23 18:31:52,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:52,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:52,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:52,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861316340] [2024-11-23 18:31:52,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861316340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:52,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068820897] [2024-11-23 18:31:52,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:52,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:52,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 18:31:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:52,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:31:52,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:52,764 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:31:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:52,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068820897] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:31:52,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:31:52,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-23 18:31:52,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864281111] [2024-11-23 18:31:52,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:31:52,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:31:52,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:52,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:31:52,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:31:52,977 INFO L87 Difference]: Start difference. First operand 194 states and 231 transitions. Second operand has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 10 states have internal predecessors, (122), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-23 18:31:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:53,344 INFO L93 Difference]: Finished difference Result 194 states and 231 transitions. [2024-11-23 18:31:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:31:53,345 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 10 states have internal predecessors, (122), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 71 [2024-11-23 18:31:53,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:53,349 INFO L225 Difference]: With dead ends: 194 [2024-11-23 18:31:53,349 INFO L226 Difference]: Without dead ends: 191 [2024-11-23 18:31:53,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:31:53,351 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 159 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:53,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 192 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:31:53,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-23 18:31:53,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-23 18:31:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 157 states have (on average 1.2229299363057324) internal successors, (192), 173 states have internal predecessors, (192), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:31:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 224 transitions. [2024-11-23 18:31:53,378 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 224 transitions. Word has length 71 [2024-11-23 18:31:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:53,379 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 224 transitions. [2024-11-23 18:31:53,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 10 states have internal predecessors, (122), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-23 18:31:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 224 transitions. [2024-11-23 18:31:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-23 18:31:53,385 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:53,385 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:53,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-23 18:31:53,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:53,586 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:53,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:53,587 INFO L85 PathProgramCache]: Analyzing trace with hash -562527684, now seen corresponding path program 1 times [2024-11-23 18:31:53,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:53,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700353567] [2024-11-23 18:31:53,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:53,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:53,754 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:53,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:53,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700353567] [2024-11-23 18:31:53,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700353567] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:53,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940019872] [2024-11-23 18:31:53,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:53,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:53,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:53,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:53,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 18:31:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:53,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 18:31:53,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:54,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:31:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:54,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940019872] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:31:54,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:31:54,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-23 18:31:54,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195166690] [2024-11-23 18:31:54,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:31:54,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 18:31:54,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:54,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 18:31:54,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:31:54,332 INFO L87 Difference]: Start difference. First operand 191 states and 224 transitions. Second operand has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-23 18:31:54,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:54,789 INFO L93 Difference]: Finished difference Result 217 states and 256 transitions. [2024-11-23 18:31:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:31:54,790 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 72 [2024-11-23 18:31:54,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:54,792 INFO L225 Difference]: With dead ends: 217 [2024-11-23 18:31:54,792 INFO L226 Difference]: Without dead ends: 208 [2024-11-23 18:31:54,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-23 18:31:54,794 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 96 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:54,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 222 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:31:54,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-23 18:31:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 184. [2024-11-23 18:31:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 157 states have (on average 1.1210191082802548) internal successors, (176), 166 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-23 18:31:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 208 transitions. [2024-11-23 18:31:54,825 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 208 transitions. Word has length 72 [2024-11-23 18:31:54,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:54,825 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 208 transitions. [2024-11-23 18:31:54,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 10 states have internal predecessors, (124), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-23 18:31:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 208 transitions. [2024-11-23 18:31:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 18:31:54,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:54,828 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:31:54,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-23 18:31:55,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:55,032 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:55,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:55,033 INFO L85 PathProgramCache]: Analyzing trace with hash 576777502, now seen corresponding path program 1 times [2024-11-23 18:31:55,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:55,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933609294] [2024-11-23 18:31:55,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:55,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:55,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933609294] [2024-11-23 18:31:55,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933609294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:55,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946430079] [2024-11-23 18:31:55,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:55,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:55,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:55,281 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:55,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 18:31:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:55,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:31:55,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-23 18:31:55,766 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:31:55,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946430079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:31:55,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:31:55,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-23 18:31:55,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271803237] [2024-11-23 18:31:55,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:31:55,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:31:55,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:55,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:31:55,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:31:55,769 INFO L87 Difference]: Start difference. First operand 184 states and 208 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 18:31:55,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:55,958 INFO L93 Difference]: Finished difference Result 184 states and 208 transitions. [2024-11-23 18:31:55,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:31:55,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2024-11-23 18:31:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:55,961 INFO L225 Difference]: With dead ends: 184 [2024-11-23 18:31:55,962 INFO L226 Difference]: Without dead ends: 154 [2024-11-23 18:31:55,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-23 18:31:55,965 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 68 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:55,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 107 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:31:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-23 18:31:55,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-23 18:31:55,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.037037037037037) internal successors, (140), 138 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-23 18:31:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 168 transitions. [2024-11-23 18:31:55,991 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 168 transitions. Word has length 74 [2024-11-23 18:31:55,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:55,991 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 168 transitions. [2024-11-23 18:31:55,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-23 18:31:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2024-11-23 18:31:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 18:31:55,994 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:55,994 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-23 18:31:56,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-23 18:31:56,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-23 18:31:56,195 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:56,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:56,196 INFO L85 PathProgramCache]: Analyzing trace with hash 870507066, now seen corresponding path program 1 times [2024-11-23 18:31:56,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:56,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271881809] [2024-11-23 18:31:56,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:56,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 18:31:56,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:56,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271881809] [2024-11-23 18:31:56,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271881809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:56,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079169029] [2024-11-23 18:31:56,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:31:56,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:56,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:56,599 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:56,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 18:31:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:31:56,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 18:31:56,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 18:31:57,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:31:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 18:31:57,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079169029] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:31:57,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:31:57,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-23 18:31:57,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888240402] [2024-11-23 18:31:57,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:31:57,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-23 18:31:57,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:31:57,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-23 18:31:57,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-23 18:31:57,849 INFO L87 Difference]: Start difference. First operand 154 states and 168 transitions. Second operand has 20 states, 19 states have (on average 14.210526315789474) internal successors, (270), 20 states have internal predecessors, (270), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-23 18:31:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:31:58,443 INFO L93 Difference]: Finished difference Result 239 states and 267 transitions. [2024-11-23 18:31:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 18:31:58,444 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 14.210526315789474) internal successors, (270), 20 states have internal predecessors, (270), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 136 [2024-11-23 18:31:58,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:31:58,447 INFO L225 Difference]: With dead ends: 239 [2024-11-23 18:31:58,449 INFO L226 Difference]: Without dead ends: 238 [2024-11-23 18:31:58,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-23 18:31:58,452 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:31:58,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 184 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:31:58,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-23 18:31:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-11-23 18:31:58,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 210 states have (on average 1.0523809523809524) internal successors, (221), 213 states have internal predecessors, (221), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-23 18:31:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 263 transitions. [2024-11-23 18:31:58,485 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 263 transitions. Word has length 136 [2024-11-23 18:31:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:31:58,485 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 263 transitions. [2024-11-23 18:31:58,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 14.210526315789474) internal successors, (270), 20 states have internal predecessors, (270), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-23 18:31:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 263 transitions. [2024-11-23 18:31:58,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 18:31:58,488 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:31:58,488 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-23 18:31:58,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-23 18:31:58,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-23 18:31:58,689 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:31:58,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:31:58,690 INFO L85 PathProgramCache]: Analyzing trace with hash -525792736, now seen corresponding path program 2 times [2024-11-23 18:31:58,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:31:58,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288191006] [2024-11-23 18:31:58,690 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:31:58,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:31:58,750 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:31:58,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:31:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:31:59,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:31:59,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288191006] [2024-11-23 18:31:59,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288191006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:31:59,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339669806] [2024-11-23 18:31:59,146 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:31:59,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:31:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:31:59,148 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:31:59,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 18:31:59,244 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:31:59,244 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:31:59,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 18:31:59,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:31:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:31:59,942 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:32:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:32:00,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339669806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:32:00,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:32:00,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-23 18:32:00,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953345767] [2024-11-23 18:32:00,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:32:00,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-23 18:32:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:00,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-23 18:32:00,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-23 18:32:00,500 INFO L87 Difference]: Start difference. First operand 236 states and 263 transitions. Second operand has 22 states, 21 states have (on average 14.19047619047619) internal successors, (298), 22 states have internal predecessors, (298), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-23 18:32:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:01,274 INFO L93 Difference]: Finished difference Result 257 states and 284 transitions. [2024-11-23 18:32:01,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 18:32:01,275 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.19047619047619) internal successors, (298), 22 states have internal predecessors, (298), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 160 [2024-11-23 18:32:01,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:01,277 INFO L225 Difference]: With dead ends: 257 [2024-11-23 18:32:01,279 INFO L226 Difference]: Without dead ends: 256 [2024-11-23 18:32:01,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-23 18:32:01,281 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 75 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:01,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 264 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:32:01,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-23 18:32:01,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2024-11-23 18:32:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 224 states have (on average 1.0446428571428572) internal successors, (234), 227 states have internal predecessors, (234), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 18:32:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 280 transitions. [2024-11-23 18:32:01,308 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 280 transitions. Word has length 160 [2024-11-23 18:32:01,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:01,308 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 280 transitions. [2024-11-23 18:32:01,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.19047619047619) internal successors, (298), 22 states have internal predecessors, (298), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-23 18:32:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 280 transitions. [2024-11-23 18:32:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-23 18:32:01,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:32:01,312 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-23 18:32:01,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 18:32:01,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-23 18:32:01,513 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2024-11-23 18:32:01,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:32:01,514 INFO L85 PathProgramCache]: Analyzing trace with hash 484263027, now seen corresponding path program 2 times [2024-11-23 18:32:01,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:32:01,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792993383] [2024-11-23 18:32:01,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:32:01,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:32:01,596 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:32:01,597 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:32:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 62 proven. 174 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-23 18:32:02,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:32:02,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792993383] [2024-11-23 18:32:02,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792993383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:32:02,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253422145] [2024-11-23 18:32:02,312 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 18:32:02,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:32:02,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:32:02,315 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:32:02,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-23 18:32:02,423 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-23 18:32:02,423 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 18:32:02,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 18:32:02,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:32:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 206 proven. 78 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-23 18:32:04,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:32:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 62 proven. 174 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-23 18:32:04,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253422145] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:32:04,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:32:04,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 29 [2024-11-23 18:32:04,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63854454] [2024-11-23 18:32:04,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:32:04,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-23 18:32:04,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:32:04,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-23 18:32:04,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2024-11-23 18:32:04,766 INFO L87 Difference]: Start difference. First operand 252 states and 280 transitions. Second operand has 29 states, 29 states have (on average 12.482758620689655) internal successors, (362), 29 states have internal predecessors, (362), 13 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) [2024-11-23 18:32:05,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:32:05,354 INFO L93 Difference]: Finished difference Result 256 states and 283 transitions. [2024-11-23 18:32:05,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 18:32:05,356 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 12.482758620689655) internal successors, (362), 29 states have internal predecessors, (362), 13 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) Word has length 195 [2024-11-23 18:32:05,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:32:05,357 INFO L225 Difference]: With dead ends: 256 [2024-11-23 18:32:05,357 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:32:05,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=209, Invalid=721, Unknown=0, NotChecked=0, Total=930 [2024-11-23 18:32:05,359 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:32:05,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 453 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 18:32:05,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:32:05,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:32:05,364 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) [2024-11-23 18:32:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:32:05,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2024-11-23 18:32:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:32:05,365 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:32:05,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 12.482758620689655) internal successors, (362), 29 states have internal predecessors, (362), 13 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 13 states have call predecessors, (38), 13 states have call successors, (38) [2024-11-23 18:32:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:32:05,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:32:05,370 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 50 remaining) [2024-11-23 18:32:05,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 50 remaining) [2024-11-23 18:32:05,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 50 remaining) [2024-11-23 18:32:05,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 50 remaining) [2024-11-23 18:32:05,371 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 50 remaining) [2024-11-23 18:32:05,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 50 remaining) [2024-11-23 18:32:05,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 50 remaining) [2024-11-23 18:32:05,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 50 remaining) [2024-11-23 18:32:05,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 50 remaining) [2024-11-23 18:32:05,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 50 remaining) [2024-11-23 18:32:05,372 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 50 remaining) [2024-11-23 18:32:05,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 50 remaining) [2024-11-23 18:32:05,373 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 50 remaining) [2024-11-23 18:32:05,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 50 remaining) [2024-11-23 18:32:05,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 50 remaining) [2024-11-23 18:32:05,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 50 remaining) [2024-11-23 18:32:05,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 50 remaining) [2024-11-23 18:32:05,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 50 remaining) [2024-11-23 18:32:05,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 50 remaining) [2024-11-23 18:32:05,374 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 50 remaining) [2024-11-23 18:32:05,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 50 remaining) [2024-11-23 18:32:05,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 50 remaining) [2024-11-23 18:32:05,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 50 remaining) [2024-11-23 18:32:05,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 50 remaining) [2024-11-23 18:32:05,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 50 remaining) [2024-11-23 18:32:05,375 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 50 remaining) [2024-11-23 18:32:05,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 50 remaining) [2024-11-23 18:32:05,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 50 remaining) [2024-11-23 18:32:05,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 50 remaining) [2024-11-23 18:32:05,376 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 50 remaining) [2024-11-23 18:32:05,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 50 remaining) [2024-11-23 18:32:05,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 50 remaining) [2024-11-23 18:32:05,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 50 remaining) [2024-11-23 18:32:05,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 50 remaining) [2024-11-23 18:32:05,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 50 remaining) [2024-11-23 18:32:05,377 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 50 remaining) [2024-11-23 18:32:05,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 50 remaining) [2024-11-23 18:32:05,378 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 50 remaining) [2024-11-23 18:32:05,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 50 remaining) [2024-11-23 18:32:05,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 50 remaining) [2024-11-23 18:32:05,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 50 remaining) [2024-11-23 18:32:05,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 50 remaining) [2024-11-23 18:32:05,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 50 remaining) [2024-11-23 18:32:05,379 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 50 remaining) [2024-11-23 18:32:05,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 50 remaining) [2024-11-23 18:32:05,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 50 remaining) [2024-11-23 18:32:05,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 50 remaining) [2024-11-23 18:32:05,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 50 remaining) [2024-11-23 18:32:05,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 50 remaining) [2024-11-23 18:32:05,380 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 50 remaining) [2024-11-23 18:32:05,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-23 18:32:05,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-23 18:32:05,589 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:32:05,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 18:32:06,514 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:32:06,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:32:06 BoogieIcfgContainer [2024-11-23 18:32:06,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:32:06,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:32:06,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:32:06,570 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:32:06,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:31:44" (3/4) ... [2024-11-23 18:32:06,574 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:32:06,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-23 18:32:06,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-23 18:32:06,594 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 18:32:06,594 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:32:06,595 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:32:06,732 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:32:06,733 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:32:06,733 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:32:06,734 INFO L158 Benchmark]: Toolchain (without parser) took 23600.51ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.6MB in the beginning and 110.0MB in the end (delta: -17.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-23 18:32:06,735 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:32:06,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.03ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:32:06,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.62ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:32:06,736 INFO L158 Benchmark]: Boogie Preprocessor took 74.85ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:32:06,736 INFO L158 Benchmark]: RCFGBuilder took 646.18ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 61.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:32:06,738 INFO L158 Benchmark]: TraceAbstraction took 22321.71ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.4MB in the beginning and 114.7MB in the end (delta: -54.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-23 18:32:06,739 INFO L158 Benchmark]: Witness Printer took 163.72ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 110.0MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:32:06,741 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.03ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.62ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.85ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 646.18ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 61.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 22321.71ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.4MB in the beginning and 114.7MB in the end (delta: -54.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Witness Printer took 163.72ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 110.0MB in the end (delta: 4.7MB). There was no memory consumed. 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: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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: 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: 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: 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: 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: 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: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: 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, 121 locations, 50 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 18, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1434 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1381 mSDsluCounter, 3567 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2230 mSDsCounter, 184 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2669 IncrementalHoareTripleChecker+Invalid, 2853 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 184 mSolverCounterUnsat, 1337 mSDtfsCounter, 2669 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1848 GetRequests, 1712 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=17, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 18 MinimizatonAttempts, 329 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 2128 NumberOfCodeBlocks, 2128 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2752 ConstructedInterpolants, 0 QuantifiedInterpolants, 13009 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1656 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 34 InterpolantComputations, 10 PerfectInterpolantSequences, 2877/4191 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 50 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((5 == t) && (1 <= a)) && (9 == s)) && (n <= 5)) && (0 <= n)) && ((((__int128) a * a) + ((__int128) a * 4)) <= 9223372036854775803)) || (((((3 == t) && (a == 1)) && (s == 4)) && (n <= 5)) && (0 <= n))) || (((((t == 1) && (a == 0)) && (n <= 5)) && (0 <= n)) && (s == 1))) RESULT: Ultimate proved your program to be correct! [2024-11-23 18:32:06,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3cd780-3d4d-4499-8725-c90734bdf5e5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE