./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX --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 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:05:06,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:05:06,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 19:05:06,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:05:06,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:05:06,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:05:06,161 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:05:06,162 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:05:06,163 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:05:06,163 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:05:06,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:05:06,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:05:06,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:05:06,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:05:06,169 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:05:06,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:05:06,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:05:06,170 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:05:06,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:05:06,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:05:06,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:05:06,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:05:06,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:05:06,176 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:05:06,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:05:06,176 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:05:06,176 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:05:06,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:05:06,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:05:06,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:05:06,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:05:06,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:05:06,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:05:06,178 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:05:06,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:06,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:05:06,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:05:06,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:05:06,183 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:05:06,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:05:06,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:05:06,185 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:05:06,185 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:05:06,185 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:05:06,185 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff [2024-11-08 19:05:06,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:05:06,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:05:06,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:05:06,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:05:06,461 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:05:06,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c Unable to find full path for "g++" [2024-11-08 19:05:08,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:05:08,641 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:05:08,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/sv-benchmarks/c/nla-digbench-scaling/geo3-ll2_unwindbound1.c [2024-11-08 19:05:08,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/data/07dbf47a4/df8ab9c254c442a79f77c3df5e4abdb0/FLAG46fbdb4d9 [2024-11-08 19:05:08,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/data/07dbf47a4/df8ab9c254c442a79f77c3df5e4abdb0 [2024-11-08 19:05:08,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:05:08,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:05:08,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:08,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:05:08,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:05:08,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:08,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642d1243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08, skipping insertion in model container [2024-11-08 19:05:08,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:08,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:05:08,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:08,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:05:08,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:05:08,971 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:05:08,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08 WrapperNode [2024-11-08 19:05:08,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:05:08,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:08,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:05:08,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:05:08,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:08,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,011 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-11-08 19:05:09,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:05:09,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:05:09,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:05:09,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:05:09,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,040 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]. [2024-11-08 19:05:09,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:05:09,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:05:09,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:05:09,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:05:09,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (1/1) ... [2024-11-08 19:05:09,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:05:09,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:09,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:05:09,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:05:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:05:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:05:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:05:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:05:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:05:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:05:09,167 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:05:09,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:05:09,683 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-08 19:05:09,686 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:05:09,702 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:05:09,702 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:05:09,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:09 BoogieIcfgContainer [2024-11-08 19:05:09,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:05:09,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:05:09,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:05:09,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:05:09,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:05:08" (1/3) ... [2024-11-08 19:05:09,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366d63f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:09, skipping insertion in model container [2024-11-08 19:05:09,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:08" (2/3) ... [2024-11-08 19:05:09,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366d63f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:09, skipping insertion in model container [2024-11-08 19:05:09,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:09" (3/3) ... [2024-11-08 19:05:09,712 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll2_unwindbound1.c [2024-11-08 19:05:09,731 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:05:09,731 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2024-11-08 19:05:09,787 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:05:09,794 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;@4cc1621c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:05:09,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-08 19:05:09,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 45 states have (on average 1.8) internal successors, (81), 77 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 19:05:09,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:09,807 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-08 19:05:09,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:09,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:09,813 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-08 19:05:09,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:09,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459916223] [2024-11-08 19:05:09,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:09,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:09,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453393120] [2024-11-08 19:05:09,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:09,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:09,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:09,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:09,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:05:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:10,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:05:10,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:10,087 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:10,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:10,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459916223] [2024-11-08 19:05:10,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:10,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453393120] [2024-11-08 19:05:10,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453393120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:10,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:10,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:10,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540165] [2024-11-08 19:05:10,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:10,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:05:10,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:10,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:05:10,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:10,122 INFO L87 Difference]: Start difference. First operand has 81 states, 45 states have (on average 1.8) internal successors, (81), 77 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-08 19:05:10,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:10,344 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2024-11-08 19:05:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:05:10,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-08 19:05:10,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:10,355 INFO L225 Difference]: With dead ends: 155 [2024-11-08 19:05:10,355 INFO L226 Difference]: Without dead ends: 72 [2024-11-08 19:05:10,358 INFO L431 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 [2024-11-08 19:05:10,362 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 46 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:10,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 42 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:05:10,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-08 19:05:10,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-08 19:05:10,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 40 states have (on average 1.775) internal successors, (71), 69 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2024-11-08 19:05:10,421 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 3 [2024-11-08 19:05:10,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:10,422 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2024-11-08 19:05:10,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-08 19:05:10,422 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2024-11-08 19:05:10,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:05:10,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:10,426 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 19:05:10,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:10,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-08 19:05:10,627 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:10,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash 889475974, now seen corresponding path program 1 times [2024-11-08 19:05:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:10,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120809197] [2024-11-08 19:05:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:10,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:10,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:10,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120809197] [2024-11-08 19:05:10,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120809197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:10,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:10,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:10,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905257188] [2024-11-08 19:05:10,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:10,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:05:10,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:10,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:05:10,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:10,723 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:10,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:10,774 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2024-11-08 19:05:10,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:05:10,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-08 19:05:10,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:10,779 INFO L225 Difference]: With dead ends: 72 [2024-11-08 19:05:10,779 INFO L226 Difference]: Without dead ends: 71 [2024-11-08 19:05:10,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:05:10,781 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 69 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:10,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 131 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:10,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-08 19:05:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-08 19:05:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 40 states have (on average 1.75) internal successors, (70), 68 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2024-11-08 19:05:10,798 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 6 [2024-11-08 19:05:10,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:10,798 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2024-11-08 19:05:10,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:10,799 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2024-11-08 19:05:10,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:05:10,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:10,799 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:10,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:05:10,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:10,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:10,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1803951462, now seen corresponding path program 1 times [2024-11-08 19:05:10,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:10,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131646789] [2024-11-08 19:05:10,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:10,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:10,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:10,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131646789] [2024-11-08 19:05:10,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131646789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:10,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:10,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:10,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770543755] [2024-11-08 19:05:10,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:10,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:05:10,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:10,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:05:10,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:10,872 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:10,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:10,940 INFO L93 Difference]: Finished difference Result 96 states and 97 transitions. [2024-11-08 19:05:10,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:05:10,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-08 19:05:10,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:10,944 INFO L225 Difference]: With dead ends: 96 [2024-11-08 19:05:10,946 INFO L226 Difference]: Without dead ends: 75 [2024-11-08 19:05:10,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:05:10,948 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 3 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:10,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:10,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-08 19:05:10,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-08 19:05:10,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 44 states have (on average 1.6818181818181819) internal successors, (74), 72 states have internal predecessors, (74), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2024-11-08 19:05:10,966 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 7 [2024-11-08 19:05:10,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:10,970 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2024-11-08 19:05:10,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2024-11-08 19:05:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:05:10,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:10,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:10,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:05:10,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:10,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1569431032, now seen corresponding path program 1 times [2024-11-08 19:05:10,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:10,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407019699] [2024-11-08 19:05:10,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:10,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:11,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294660118] [2024-11-08 19:05:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:11,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:11,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:11,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:11,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:05:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:11,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:05:11,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:11,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:11,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:11,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407019699] [2024-11-08 19:05:11,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:11,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294660118] [2024-11-08 19:05:11,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294660118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:11,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:11,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:05:11,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394293789] [2024-11-08 19:05:11,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:11,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:05:11,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:11,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:05:11,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:11,138 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:11,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:11,776 INFO L93 Difference]: Finished difference Result 114 states and 133 transitions. [2024-11-08 19:05:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:05:11,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-08 19:05:11,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:11,778 INFO L225 Difference]: With dead ends: 114 [2024-11-08 19:05:11,779 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 19:05:11,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:05:11,781 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 100 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:11,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 73 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:05:11,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 19:05:11,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 92. [2024-11-08 19:05:11,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 61 states have (on average 1.6721311475409837) internal successors, (102), 88 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:11,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2024-11-08 19:05:11,803 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 9 [2024-11-08 19:05:11,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:11,803 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2024-11-08 19:05:11,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2024-11-08 19:05:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:05:11,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:11,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:11,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:12,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:12,005 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:12,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:12,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1407721683, now seen corresponding path program 1 times [2024-11-08 19:05:12,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:12,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688018803] [2024-11-08 19:05:12,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:12,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [598618178] [2024-11-08 19:05:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:12,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:12,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:12,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:12,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 19:05:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:12,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:05:12,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:12,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:12,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:12,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688018803] [2024-11-08 19:05:12,281 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:12,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598618178] [2024-11-08 19:05:12,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598618178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:12,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:12,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:05:12,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048140273] [2024-11-08 19:05:12,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:12,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:05:12,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:12,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:05:12,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:12,283 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:13,000 INFO L93 Difference]: Finished difference Result 114 states and 128 transitions. [2024-11-08 19:05:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:05:13,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-08 19:05:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:13,002 INFO L225 Difference]: With dead ends: 114 [2024-11-08 19:05:13,002 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 19:05:13,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:05:13,003 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 98 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:13,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 75 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 19:05:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 19:05:13,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2024-11-08 19:05:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.5873015873015872) internal successors, (100), 89 states have internal predecessors, (100), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 104 transitions. [2024-11-08 19:05:13,013 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 104 transitions. Word has length 10 [2024-11-08 19:05:13,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:13,013 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 104 transitions. [2024-11-08 19:05:13,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:05:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2024-11-08 19:05:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:05:13,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:13,014 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:13,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 19:05:13,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:13,215 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:13,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash -689699158, now seen corresponding path program 1 times [2024-11-08 19:05:13,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:13,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346354132] [2024-11-08 19:05:13,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:13,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:13,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268289920] [2024-11-08 19:05:13,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:13,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:13,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:13,243 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:13,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 19:05:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:13,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:05:13,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:13,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:13,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346354132] [2024-11-08 19:05:13,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:13,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268289920] [2024-11-08 19:05:13,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268289920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:13,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:13,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:13,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104370746] [2024-11-08 19:05:13,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:13,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:05:13,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:13,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:05:13,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:13,459 INFO L87 Difference]: Start difference. First operand 93 states and 104 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 19:05:13,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:13,628 INFO L93 Difference]: Finished difference Result 113 states and 121 transitions. [2024-11-08 19:05:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:05:13,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-08 19:05:13,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:13,629 INFO L225 Difference]: With dead ends: 113 [2024-11-08 19:05:13,629 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 19:05:13,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:13,631 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:13,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 69 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:05:13,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 19:05:13,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2024-11-08 19:05:13,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.5238095238095237) internal successors, (96), 89 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 100 transitions. [2024-11-08 19:05:13,655 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 100 transitions. Word has length 11 [2024-11-08 19:05:13,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:13,656 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 100 transitions. [2024-11-08 19:05:13,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-08 19:05:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 100 transitions. [2024-11-08 19:05:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:05:13,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:13,656 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:13,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 19:05:13,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:13,857 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:13,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:13,857 INFO L85 PathProgramCache]: Analyzing trace with hash 585592814, now seen corresponding path program 1 times [2024-11-08 19:05:13,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:13,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626989322] [2024-11-08 19:05:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:13,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:13,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [506477023] [2024-11-08 19:05:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:13,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:13,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:13,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 19:05:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:13,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:05:13,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:14,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:14,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:14,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626989322] [2024-11-08 19:05:14,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:14,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506477023] [2024-11-08 19:05:14,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506477023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:14,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:14,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:05:14,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879038538] [2024-11-08 19:05:14,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:14,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:05:14,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:14,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:05:14,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:05:14,297 INFO L87 Difference]: Start difference. First operand 93 states and 100 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-08 19:05:14,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:14,519 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2024-11-08 19:05:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:05:14,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2024-11-08 19:05:14,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:14,520 INFO L225 Difference]: With dead ends: 111 [2024-11-08 19:05:14,521 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 19:05:14,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:05:14,522 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 87 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:14,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 81 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:05:14,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 19:05:14,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2024-11-08 19:05:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 64 states have (on average 1.5) internal successors, (96), 90 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2024-11-08 19:05:14,555 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 15 [2024-11-08 19:05:14,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:14,555 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2024-11-08 19:05:14,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2024-11-08 19:05:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2024-11-08 19:05:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 19:05:14,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:14,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:14,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:14,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:14,761 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:14,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash 973508115, now seen corresponding path program 1 times [2024-11-08 19:05:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:14,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575616353] [2024-11-08 19:05:14,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:14,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:14,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [426219714] [2024-11-08 19:05:14,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:14,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:14,790 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 19:05:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:14,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:05:14,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:15,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:15,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:15,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575616353] [2024-11-08 19:05:15,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:15,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426219714] [2024-11-08 19:05:15,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426219714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:15,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:15,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:05:15,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473496923] [2024-11-08 19:05:15,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:15,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:05:15,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:15,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:05:15,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:15,392 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-08 19:05:17,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 19:05:17,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:17,298 INFO L93 Difference]: Finished difference Result 111 states and 119 transitions. [2024-11-08 19:05:17,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:05:17,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-11-08 19:05:17,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:17,299 INFO L225 Difference]: With dead ends: 111 [2024-11-08 19:05:17,299 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 19:05:17,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:17,300 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 25 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:17,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 152 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 19:05:17,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 19:05:17,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 95. [2024-11-08 19:05:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.476923076923077) internal successors, (96), 91 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2024-11-08 19:05:17,314 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 16 [2024-11-08 19:05:17,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:17,314 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2024-11-08 19:05:17,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-11-08 19:05:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2024-11-08 19:05:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:05:17,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:17,315 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:17,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:17,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 19:05:17,516 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:17,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:17,516 INFO L85 PathProgramCache]: Analyzing trace with hash 113980560, now seen corresponding path program 1 times [2024-11-08 19:05:17,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:17,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740597843] [2024-11-08 19:05:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:17,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:17,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1741689584] [2024-11-08 19:05:17,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:17,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:17,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:17,540 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:17,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 19:05:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:17,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:05:17,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:17,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:17,777 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:17,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:17,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740597843] [2024-11-08 19:05:17,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:17,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741689584] [2024-11-08 19:05:17,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741689584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:17,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:17,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:05:17,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345609002] [2024-11-08 19:05:17,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:17,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:05:17,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:17,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:05:17,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:17,780 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-08 19:05:18,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:18,332 INFO L93 Difference]: Finished difference Result 109 states and 113 transitions. [2024-11-08 19:05:18,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:05:18,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2024-11-08 19:05:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:18,334 INFO L225 Difference]: With dead ends: 109 [2024-11-08 19:05:18,334 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 19:05:18,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:05:18,336 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 20 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:18,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 79 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:05:18,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 19:05:18,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-08 19:05:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 83 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:18,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 89 transitions. [2024-11-08 19:05:18,356 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 89 transitions. Word has length 17 [2024-11-08 19:05:18,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:18,356 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 89 transitions. [2024-11-08 19:05:18,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-11-08 19:05:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 89 transitions. [2024-11-08 19:05:18,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:05:18,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:18,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:18,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 19:05:18,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:18,558 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:18,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:18,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1935291900, now seen corresponding path program 1 times [2024-11-08 19:05:18,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:18,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731916783] [2024-11-08 19:05:18,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:18,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:18,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 19:05:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:18,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:18,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731916783] [2024-11-08 19:05:18,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731916783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:18,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:18,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:18,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139826773] [2024-11-08 19:05:18,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:18,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:05:18,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:18,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:05:18,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:18,659 INFO L87 Difference]: Start difference. First operand 87 states and 89 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:18,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:18,681 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2024-11-08 19:05:18,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:05:18,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-08 19:05:18,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:18,683 INFO L225 Difference]: With dead ends: 91 [2024-11-08 19:05:18,683 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 19:05:18,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:18,685 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:18,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 128 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:18,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 19:05:18,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-08 19:05:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 85 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 91 transitions. [2024-11-08 19:05:18,694 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 91 transitions. Word has length 25 [2024-11-08 19:05:18,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:18,696 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 91 transitions. [2024-11-08 19:05:18,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2024-11-08 19:05:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 19:05:18,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:18,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:18,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:05:18,698 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:18,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:18,699 INFO L85 PathProgramCache]: Analyzing trace with hash 792460224, now seen corresponding path program 1 times [2024-11-08 19:05:18,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:18,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457251784] [2024-11-08 19:05:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:18,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:18,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [234407130] [2024-11-08 19:05:18,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:18,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:18,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:18,730 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:18,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 19:05:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:18,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:05:18,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:19,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:19,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:19,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457251784] [2024-11-08 19:05:19,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:19,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234407130] [2024-11-08 19:05:19,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234407130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:19,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:19,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:05:19,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862572195] [2024-11-08 19:05:19,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:19,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:05:19,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:19,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:05:19,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:05:19,392 INFO L87 Difference]: Start difference. First operand 89 states and 91 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:19,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:19,918 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2024-11-08 19:05:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:05:19,919 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-08 19:05:19,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:19,920 INFO L225 Difference]: With dead ends: 94 [2024-11-08 19:05:19,920 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 19:05:19,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:05:19,921 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 29 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:19,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 188 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:05:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 19:05:19,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 92. [2024-11-08 19:05:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 88 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 94 transitions. [2024-11-08 19:05:19,928 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 94 transitions. Word has length 29 [2024-11-08 19:05:19,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:19,929 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 94 transitions. [2024-11-08 19:05:19,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:19,929 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2024-11-08 19:05:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:05:19,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:19,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:19,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 19:05:20,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-08 19:05:20,131 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:20,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:20,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1203536745, now seen corresponding path program 1 times [2024-11-08 19:05:20,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:20,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556558277] [2024-11-08 19:05:20,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:20,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1199536015] [2024-11-08 19:05:20,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:20,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:20,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:20,158 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:20,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 19:05:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:20,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:05:20,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:20,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:20,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:20,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:20,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556558277] [2024-11-08 19:05:20,775 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:20,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199536015] [2024-11-08 19:05:20,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199536015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:20,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:20,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:05:20,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761461863] [2024-11-08 19:05:20,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:20,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:05:20,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:20,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:05:20,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:05:20,778 INFO L87 Difference]: Start difference. First operand 92 states and 94 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:21,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:21,275 INFO L93 Difference]: Finished difference Result 94 states and 96 transitions. [2024-11-08 19:05:21,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:05:21,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-08 19:05:21,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:21,276 INFO L225 Difference]: With dead ends: 94 [2024-11-08 19:05:21,276 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 19:05:21,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:05:21,277 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 22 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:21,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 207 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:05:21,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 19:05:21,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-08 19:05:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 89 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2024-11-08 19:05:21,285 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 30 [2024-11-08 19:05:21,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:21,285 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2024-11-08 19:05:21,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2024-11-08 19:05:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:05:21,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:21,286 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:21,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 19:05:21,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 19:05:21,490 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:21,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:21,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1345066658, now seen corresponding path program 1 times [2024-11-08 19:05:21,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:21,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263768015] [2024-11-08 19:05:21,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:21,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:21,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [842874202] [2024-11-08 19:05:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:21,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:21,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:21,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:21,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 19:05:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:21,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:05:21,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:21,711 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:21,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:21,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263768015] [2024-11-08 19:05:21,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:21,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842874202] [2024-11-08 19:05:21,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842874202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:21,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:21,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:21,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355488820] [2024-11-08 19:05:21,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:21,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:05:21,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:21,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:05:21,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:21,714 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:21,816 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2024-11-08 19:05:21,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:05:21,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-08 19:05:21,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:21,817 INFO L225 Difference]: With dead ends: 96 [2024-11-08 19:05:21,818 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 19:05:21,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:21,819 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:21,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:05:21,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 19:05:21,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2024-11-08 19:05:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 64 states have (on average 1.4375) internal successors, (92), 90 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-11-08 19:05:21,825 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 31 [2024-11-08 19:05:21,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:21,825 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-11-08 19:05:21,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-11-08 19:05:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 19:05:21,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:21,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:21,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 19:05:22,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:22,027 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:22,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:22,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1252606471, now seen corresponding path program 1 times [2024-11-08 19:05:22,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:22,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921882685] [2024-11-08 19:05:22,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:22,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:22,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481973878] [2024-11-08 19:05:22,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:22,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:22,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:22,044 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:22,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 19:05:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:22,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:05:22,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:05:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:22,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:05:22,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:22,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921882685] [2024-11-08 19:05:22,208 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 19:05:22,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481973878] [2024-11-08 19:05:22,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481973878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:22,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:22,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:05:22,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718815778] [2024-11-08 19:05:22,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:22,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:05:22,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:22,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:05:22,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:22,210 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:22,458 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2024-11-08 19:05:22,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:05:22,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-08 19:05:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:22,460 INFO L225 Difference]: With dead ends: 96 [2024-11-08 19:05:22,460 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 19:05:22,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:05:22,460 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:22,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:05:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 19:05:22,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-08 19:05:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 91 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 97 transitions. [2024-11-08 19:05:22,468 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 97 transitions. Word has length 32 [2024-11-08 19:05:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:22,468 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 97 transitions. [2024-11-08 19:05:22,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 97 transitions. [2024-11-08 19:05:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 19:05:22,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:22,469 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:22,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:22,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:22,670 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:22,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:22,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1723470127, now seen corresponding path program 1 times [2024-11-08 19:05:22,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:22,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298893503] [2024-11-08 19:05:22,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:22,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 19:05:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:05:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:05:22,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:05:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298893503] [2024-11-08 19:05:22,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298893503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:05:22,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:05:22,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:05:22,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35965935] [2024-11-08 19:05:22,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:05:22,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:05:22,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:05:22,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:05:22,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:05:22,778 INFO L87 Difference]: Start difference. First operand 95 states and 97 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:22,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:05:22,826 INFO L93 Difference]: Finished difference Result 111 states and 112 transitions. [2024-11-08 19:05:22,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:05:22,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-08 19:05:22,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:05:22,828 INFO L225 Difference]: With dead ends: 111 [2024-11-08 19:05:22,828 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 19:05:22,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:05:22,829 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 45 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:05:22,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 257 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:05:22,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 19:05:22,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 94. [2024-11-08 19:05:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4153846153846155) internal successors, (92), 90 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 19:05:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-11-08 19:05:22,837 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 35 [2024-11-08 19:05:22,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:05:22,837 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-11-08 19:05:22,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 19:05:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-11-08 19:05:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 19:05:22,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:05:22,838 INFO L215 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, 1, 1, 1] [2024-11-08 19:05:22,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 19:05:22,839 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2024-11-08 19:05:22,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:05:22,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1602585762, now seen corresponding path program 1 times [2024-11-08 19:05:22,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:05:22,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089671912] [2024-11-08 19:05:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:22,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:05:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:05:22,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517913155] [2024-11-08 19:05:22,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:05:22,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:05:22,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:05:22,854 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:05:22,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-08 19:05:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:23,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:05:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:05:23,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:05:23,097 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:05:23,098 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2024-11-08 19:05:23,100 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2024-11-08 19:05:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2024-11-08 19:05:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2024-11-08 19:05:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2024-11-08 19:05:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2024-11-08 19:05:23,101 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2024-11-08 19:05:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2024-11-08 19:05:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2024-11-08 19:05:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2024-11-08 19:05:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2024-11-08 19:05:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2024-11-08 19:05:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2024-11-08 19:05:23,102 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2024-11-08 19:05:23,103 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2024-11-08 19:05:23,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2024-11-08 19:05:23,105 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2024-11-08 19:05:23,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-08 19:05:23,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-08 19:05:23,308 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:05:23,336 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:05:23,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:05:23 BoogieIcfgContainer [2024-11-08 19:05:23,339 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:05:23,340 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:05:23,340 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:05:23,340 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:05:23,341 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:09" (3/4) ... [2024-11-08 19:05:23,342 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:05:23,386 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:05:23,386 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:05:23,387 INFO L158 Benchmark]: Toolchain (without parser) took 14718.89ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 78.0MB in the beginning and 47.3MB in the end (delta: 30.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:23,387 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 96.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:23,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.85ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 65.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:05:23,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.54ms. Allocated memory is still 123.7MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:05:23,388 INFO L158 Benchmark]: Boogie Preprocessor took 38.79ms. Allocated memory is still 123.7MB. Free memory was 63.5MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:23,388 INFO L158 Benchmark]: RCFGBuilder took 651.16ms. Allocated memory is still 123.7MB. Free memory was 61.6MB in the beginning and 87.0MB in the end (delta: -25.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-08 19:05:23,389 INFO L158 Benchmark]: TraceAbstraction took 13633.77ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 86.2MB in the beginning and 50.4MB in the end (delta: 35.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-11-08 19:05:23,389 INFO L158 Benchmark]: Witness Printer took 46.36ms. Allocated memory is still 148.9MB. Free memory was 50.4MB in the beginning and 47.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:05:23,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 96.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.85ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 65.3MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.54ms. Allocated memory is still 123.7MB. Free memory was 65.1MB in the beginning and 63.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.79ms. Allocated memory is still 123.7MB. Free memory was 63.5MB in the beginning and 61.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.16ms. Allocated memory is still 123.7MB. Free memory was 61.6MB in the beginning and 87.0MB in the end (delta: -25.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13633.77ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 86.2MB in the beginning and 50.4MB in the end (delta: 35.8MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Witness Printer took 46.36ms. Allocated memory is still 148.9MB. Free memory was 50.4MB in the beginning and 47.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 44]: integer overflow possible integer overflow possible We found a FailurePath: [L21] int counter = 0; VAL [counter=0] [L23] int z, a, k; [L24] long long x, y, c, az; [L25] z = __VERIFIER_nondet_int() [L26] a = __VERIFIER_nondet_int() [L27] k = __VERIFIER_nondet_int() [L29] x = a [L30] y = 1 [L31] c = 1 VAL [a=-3, c=1, counter=0, k=2, x=-3, y=1, z=-1753413057] [L32] EXPR (long long) a * z [L32] az = (long long) a * z VAL [a=-3, az=5260239171, c=1, counter=0, k=2, x=-3, y=1, z=-1753413057] [L34] EXPR counter++ VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L34] COND TRUE counter++<1 [L35] EXPR z*x VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x + a VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR az*y VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] EXPR z*x - x + a - az*y VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L35] CALL __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(z*x - x + a - az*y == 0) VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L37] COND FALSE !(!(c < k)) VAL [a=-3, az=5260239171, c=1, counter=1, k=2, x=-3, y=1, z=-1753413057] [L40] EXPR c + 1 [L40] c = c + 1 VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=-3, y=1, z=-1753413057] [L41] EXPR x * z VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=-3, y=1, z=-1753413057] [L41] EXPR x * z + a [L41] x = x * z + a VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=5260239168, y=1, z=-1753413057] [L42] EXPR y * z [L42] y = y * z VAL [a=-3, az=5260239171, c=2, counter=1, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L34] EXPR counter++ VAL [a=-3, az=5260239171, c=2, counter=2, k=2, x=5260239168, y=-1753413057, z=-1753413057] [L34] COND FALSE !(counter++<1) [L44] z*x VAL [a=-3, az=5260239171, c=2, counter=2, k=2, y=-1753413057] - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 16, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 583 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 576 mSDsluCounter, 1819 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1055 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1121 IncrementalHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 764 mSDtfsCounter, 1121 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=8, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 104 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 553 NumberOfCodeBlocks, 553 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 261 ConstructedInterpolants, 23 QuantifiedInterpolants, 2795 SizeOfPredicates, 11 NumberOfNonLiveVariables, 644 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 3/3 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:05:23,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff1f5fc8-5420-4107-a399-2973859453b4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)