./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu --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 2e94830d11d546a3c5eb98e6802b079c63f07b0a4b705dd9e7cd9e09e0492555 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:00:07,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:00:07,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:00:07,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:00:07,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:00:07,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:00:07,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:00:07,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:00:07,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:00:07,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:00:07,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:00:07,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:00:07,814 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:00:07,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:00:07,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:00:07,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:00:07,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:00:07,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:00:07,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:00:07,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:00:07,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:00:07,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:00:07,823 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:00:07,824 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:00:07,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:00:07,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:00:07,825 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:00:07,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:00:07,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:00:07,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:00:07,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:07,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:00:07,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:00:07,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:00:07,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:00:07,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:00:07,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:00:07,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:00:07,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:00:07,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:00:07,832 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:00:07,833 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_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e94830d11d546a3c5eb98e6802b079c63f07b0a4b705dd9e7cd9e09e0492555 [2023-11-19 08:00:08,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:00:08,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:00:08,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:00:08,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:00:08,189 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:00:08,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2023-11-19 08:00:11,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:00:11,518 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:00:11,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2023-11-19 08:00:11,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/data/ebc92f9cd/dffbfcd086e84bc3aff9d742482de9cf/FLAG60af1a5cd [2023-11-19 08:00:11,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/data/ebc92f9cd/dffbfcd086e84bc3aff9d742482de9cf [2023-11-19 08:00:11,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:00:11,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:00:11,560 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:11,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:00:11,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:00:11,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad18c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11, skipping insertion in model container [2023-11-19 08:00:11,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,594 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:00:11,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:11,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:00:11,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:00:11,825 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:00:11,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11 WrapperNode [2023-11-19 08:00:11,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:00:11,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:11,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:00:11,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:00:11,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,865 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2023-11-19 08:00:11,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:00:11,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:00:11,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:00:11,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:00:11,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,882 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:00:11,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:00:11,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:00:11,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:00:11,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (1/1) ... [2023-11-19 08:00:11,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:00:11,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:11,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:00:11,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:00:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:00:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:00:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:00:11,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:00:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 08:00:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 08:00:12,056 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:00:12,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:00:12,451 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:00:12,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:00:12,462 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:00:12,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:12 BoogieIcfgContainer [2023-11-19 08:00:12,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:00:12,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:00:12,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:00:12,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:00:12,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:11" (1/3) ... [2023-11-19 08:00:12,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:12, skipping insertion in model container [2023-11-19 08:00:12,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:11" (2/3) ... [2023-11-19 08:00:12,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a0f811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:00:12, skipping insertion in model container [2023-11-19 08:00:12,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:12" (3/3) ... [2023-11-19 08:00:12,477 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound10.c [2023-11-19 08:00:12,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:00:12,500 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-11-19 08:00:12,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:00:12,559 INFO L357 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, mHoare=true, 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;@78cf5c2f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:00:12,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2023-11-19 08:00:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 64 states have (on average 1.859375) internal successors, (119), 114 states have internal predecessors, (119), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 08:00:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 08:00:12,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:12,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:00:12,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:12,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:12,600 INFO L85 PathProgramCache]: Analyzing trace with hash 889508909, now seen corresponding path program 1 times [2023-11-19 08:00:12,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:12,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232202643] [2023-11-19 08:00:12,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:12,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232202643] [2023-11-19 08:00:12,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232202643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:12,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:12,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:12,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458107203] [2023-11-19 08:00:12,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:12,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:00:12,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:12,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:00:12,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:12,890 INFO L87 Difference]: Start difference. First operand has 122 states, 64 states have (on average 1.859375) internal successors, (119), 114 states have internal predecessors, (119), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:00:12,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:12,960 INFO L93 Difference]: Finished difference Result 236 states and 263 transitions. [2023-11-19 08:00:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:00:12,963 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-19 08:00:12,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:12,974 INFO L225 Difference]: With dead ends: 236 [2023-11-19 08:00:12,974 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 08:00:12,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:00:12,984 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:12,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:00:13,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 08:00:13,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-19 08:00:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 59 states have (on average 1.7796610169491525) internal successors, (105), 104 states have internal predecessors, (105), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 08:00:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2023-11-19 08:00:13,065 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 6 [2023-11-19 08:00:13,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:13,065 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2023-11-19 08:00:13,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:00:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2023-11-19 08:00:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 08:00:13,067 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:13,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:00:13,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:00:13,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:13,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:13,070 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2023-11-19 08:00:13,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:13,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130297377] [2023-11-19 08:00:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:13,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:00:13,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:13,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130297377] [2023-11-19 08:00:13,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130297377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:13,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:13,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:13,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124403314] [2023-11-19 08:00:13,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:13,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:13,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:13,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:13,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:13,215 INFO L87 Difference]: Start difference. First operand 111 states and 115 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:00:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:13,419 INFO L93 Difference]: Finished difference Result 206 states and 215 transitions. [2023-11-19 08:00:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:13,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-19 08:00:13,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:13,423 INFO L225 Difference]: With dead ends: 206 [2023-11-19 08:00:13,423 INFO L226 Difference]: Without dead ends: 186 [2023-11-19 08:00:13,424 INFO L412 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 [2023-11-19 08:00:13,425 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 68 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:13,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 164 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-19 08:00:13,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 151. [2023-11-19 08:00:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 95 states have (on average 1.6105263157894736) internal successors, (153), 140 states have internal predecessors, (153), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:00:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 171 transitions. [2023-11-19 08:00:13,446 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 171 transitions. Word has length 6 [2023-11-19 08:00:13,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:13,447 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 171 transitions. [2023-11-19 08:00:13,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:00:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 171 transitions. [2023-11-19 08:00:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 08:00:13,448 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:13,449 INFO L195 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] [2023-11-19 08:00:13,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:00:13,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:13,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:13,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1295434416, now seen corresponding path program 1 times [2023-11-19 08:00:13,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:13,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002977104] [2023-11-19 08:00:13,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:13,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:13,471 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:13,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033391342] [2023-11-19 08:00:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:13,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:13,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:13,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:00:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:13,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:13,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:00:13,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:13,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:13,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002977104] [2023-11-19 08:00:13,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:13,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033391342] [2023-11-19 08:00:13,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033391342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:13,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:13,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:13,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485661377] [2023-11-19 08:00:13,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:13,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:13,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:13,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:13,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:13,658 INFO L87 Difference]: Start difference. First operand 151 states and 171 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:13,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:13,797 INFO L93 Difference]: Finished difference Result 190 states and 199 transitions. [2023-11-19 08:00:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:13,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-11-19 08:00:13,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:13,803 INFO L225 Difference]: With dead ends: 190 [2023-11-19 08:00:13,804 INFO L226 Difference]: Without dead ends: 182 [2023-11-19 08:00:13,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:13,810 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 53 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:13,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 150 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:13,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-19 08:00:13,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 162. [2023-11-19 08:00:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 105 states have (on average 1.561904761904762) internal successors, (164), 150 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 08:00:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 184 transitions. [2023-11-19 08:00:13,841 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 184 transitions. Word has length 27 [2023-11-19 08:00:13,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:13,845 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 184 transitions. [2023-11-19 08:00:13,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 184 transitions. [2023-11-19 08:00:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 08:00:13,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:13,847 INFO L195 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] [2023-11-19 08:00:13,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 08:00:14,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:14,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:14,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:14,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1503761308, now seen corresponding path program 1 times [2023-11-19 08:00:14,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:14,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936971237] [2023-11-19 08:00:14,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:14,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:14,086 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:14,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275097569] [2023-11-19 08:00:14,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:14,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:14,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:14,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:14,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:00:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:14,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:00:14,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:00:14,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:14,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:14,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936971237] [2023-11-19 08:00:14,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:14,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275097569] [2023-11-19 08:00:14,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275097569] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:14,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:14,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:14,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6746681] [2023-11-19 08:00:14,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:14,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:14,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:14,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:14,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:14,234 INFO L87 Difference]: Start difference. First operand 162 states and 184 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:14,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:14,348 INFO L93 Difference]: Finished difference Result 178 states and 195 transitions. [2023-11-19 08:00:14,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:14,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-19 08:00:14,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:14,350 INFO L225 Difference]: With dead ends: 178 [2023-11-19 08:00:14,351 INFO L226 Difference]: Without dead ends: 176 [2023-11-19 08:00:14,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:14,352 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 54 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:14,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 156 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:14,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-19 08:00:14,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 162. [2023-11-19 08:00:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 105 states have (on average 1.542857142857143) internal successors, (162), 150 states have internal predecessors, (162), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 08:00:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 182 transitions. [2023-11-19 08:00:14,369 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 182 transitions. Word has length 28 [2023-11-19 08:00:14,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:14,369 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 182 transitions. [2023-11-19 08:00:14,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 182 transitions. [2023-11-19 08:00:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 08:00:14,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:14,371 INFO L195 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] [2023-11-19 08:00:14,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:14,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:14,592 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:14,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:14,593 INFO L85 PathProgramCache]: Analyzing trace with hash -628039630, now seen corresponding path program 1 times [2023-11-19 08:00:14,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:14,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848134374] [2023-11-19 08:00:14,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:14,619 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:14,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444140490] [2023-11-19 08:00:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:14,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:14,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:14,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:14,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:00:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:14,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:00:14,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:00:14,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:14,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:14,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848134374] [2023-11-19 08:00:14,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:14,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444140490] [2023-11-19 08:00:14,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444140490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:14,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:14,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:00:14,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729204671] [2023-11-19 08:00:14,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:14,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:00:14,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:14,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:00:14,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:14,737 INFO L87 Difference]: Start difference. First operand 162 states and 182 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:14,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:14,879 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2023-11-19 08:00:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:14,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-19 08:00:14,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:14,881 INFO L225 Difference]: With dead ends: 184 [2023-11-19 08:00:14,882 INFO L226 Difference]: Without dead ends: 176 [2023-11-19 08:00:14,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:00:14,883 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 45 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:14,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 164 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:14,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-19 08:00:14,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 165. [2023-11-19 08:00:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 108 states have (on average 1.4814814814814814) internal successors, (160), 153 states have internal predecessors, (160), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 08:00:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 180 transitions. [2023-11-19 08:00:14,936 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 180 transitions. Word has length 29 [2023-11-19 08:00:14,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:14,937 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 180 transitions. [2023-11-19 08:00:14,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:14,937 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 180 transitions. [2023-11-19 08:00:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 08:00:14,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:14,939 INFO L195 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] [2023-11-19 08:00:14,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 08:00:15,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:15,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:15,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2044306868, now seen corresponding path program 1 times [2023-11-19 08:00:15,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:15,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981081397] [2023-11-19 08:00:15,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:15,153 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:15,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015596768] [2023-11-19 08:00:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:15,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:15,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:15,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:15,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:00:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:15,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:15,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:00:15,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:15,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:15,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981081397] [2023-11-19 08:00:15,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:15,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015596768] [2023-11-19 08:00:15,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015596768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:15,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:15,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:15,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112065803] [2023-11-19 08:00:15,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:15,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:15,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:15,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:15,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:15,279 INFO L87 Difference]: Start difference. First operand 165 states and 180 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:15,409 INFO L93 Difference]: Finished difference Result 176 states and 185 transitions. [2023-11-19 08:00:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:15,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2023-11-19 08:00:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:15,411 INFO L225 Difference]: With dead ends: 176 [2023-11-19 08:00:15,412 INFO L226 Difference]: Without dead ends: 174 [2023-11-19 08:00:15,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:15,413 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 90 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:15,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 156 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:15,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-19 08:00:15,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 165. [2023-11-19 08:00:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 108 states have (on average 1.462962962962963) internal successors, (158), 153 states have internal predecessors, (158), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 08:00:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2023-11-19 08:00:15,425 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 31 [2023-11-19 08:00:15,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:15,426 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2023-11-19 08:00:15,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2023-11-19 08:00:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 08:00:15,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:15,428 INFO L195 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] [2023-11-19 08:00:15,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:15,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:15,645 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:15,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:15,645 INFO L85 PathProgramCache]: Analyzing trace with hash 76490936, now seen corresponding path program 1 times [2023-11-19 08:00:15,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:15,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123823589] [2023-11-19 08:00:15,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:15,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:15,658 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:15,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431817924] [2023-11-19 08:00:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:15,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:15,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:15,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:15,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:00:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:15,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:15,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 08:00:15,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:15,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123823589] [2023-11-19 08:00:15,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:15,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431817924] [2023-11-19 08:00:15,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431817924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:15,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:15,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:15,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706539127] [2023-11-19 08:00:15,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:15,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:15,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:15,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:15,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:15,935 INFO L87 Difference]: Start difference. First operand 165 states and 178 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:16,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:16,067 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2023-11-19 08:00:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:00:16,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2023-11-19 08:00:16,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:16,072 INFO L225 Difference]: With dead ends: 170 [2023-11-19 08:00:16,073 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 08:00:16,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:16,077 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 70 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:16,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 146 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:16,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 08:00:16,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-19 08:00:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.528735632183908) internal successors, (133), 132 states have internal predecessors, (133), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 08:00:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2023-11-19 08:00:16,086 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 35 [2023-11-19 08:00:16,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:16,088 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2023-11-19 08:00:16,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 08:00:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2023-11-19 08:00:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 08:00:16,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:16,089 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:16,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:16,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:16,305 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:16,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:16,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1341873330, now seen corresponding path program 1 times [2023-11-19 08:00:16,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:16,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125386093] [2023-11-19 08:00:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:16,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:16,320 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:16,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117795236] [2023-11-19 08:00:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:16,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:16,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:16,322 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:16,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:00:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:16,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:16,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:16,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:00:16,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:16,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:16,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125386093] [2023-11-19 08:00:16,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:16,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117795236] [2023-11-19 08:00:16,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117795236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:16,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:16,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:16,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3555066] [2023-11-19 08:00:16,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:16,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:16,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:16,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:16,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:16,529 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:00:16,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:16,640 INFO L93 Difference]: Finished difference Result 142 states and 149 transitions. [2023-11-19 08:00:16,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:16,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2023-11-19 08:00:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:16,642 INFO L225 Difference]: With dead ends: 142 [2023-11-19 08:00:16,643 INFO L226 Difference]: Without dead ends: 136 [2023-11-19 08:00:16,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:16,644 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 90 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:16,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 118 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:16,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-19 08:00:16,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2023-11-19 08:00:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 126 states have internal predecessors, (127), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 08:00:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 143 transitions. [2023-11-19 08:00:16,654 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 143 transitions. Word has length 48 [2023-11-19 08:00:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:16,654 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 143 transitions. [2023-11-19 08:00:16,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:00:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2023-11-19 08:00:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 08:00:16,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:16,655 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:16,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:16,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-19 08:00:16,877 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:16,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:16,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1351599618, now seen corresponding path program 1 times [2023-11-19 08:00:16,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:16,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203963325] [2023-11-19 08:00:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:16,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:16,890 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:16,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883134177] [2023-11-19 08:00:16,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:16,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:16,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:16,892 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:16,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 08:00:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:16,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:00:16,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:00:17,121 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:17,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:17,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203963325] [2023-11-19 08:00:17,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:17,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883134177] [2023-11-19 08:00:17,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883134177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:17,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:17,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:17,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923864396] [2023-11-19 08:00:17,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:17,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:17,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:17,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:17,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:17,124 INFO L87 Difference]: Start difference. First operand 136 states and 143 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:00:17,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:17,208 INFO L93 Difference]: Finished difference Result 139 states and 146 transitions. [2023-11-19 08:00:17,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:17,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2023-11-19 08:00:17,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:17,210 INFO L225 Difference]: With dead ends: 139 [2023-11-19 08:00:17,211 INFO L226 Difference]: Without dead ends: 138 [2023-11-19 08:00:17,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:17,212 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:17,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:17,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-11-19 08:00:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2023-11-19 08:00:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 89 states have (on average 1.449438202247191) internal successors, (129), 128 states have internal predecessors, (129), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 08:00:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 145 transitions. [2023-11-19 08:00:17,220 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 145 transitions. Word has length 49 [2023-11-19 08:00:17,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:17,221 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 145 transitions. [2023-11-19 08:00:17,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:00:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 145 transitions. [2023-11-19 08:00:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 08:00:17,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:17,222 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:17,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:17,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-19 08:00:17,440 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:17,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:17,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1807107968, now seen corresponding path program 1 times [2023-11-19 08:00:17,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:17,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983046137] [2023-11-19 08:00:17,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:17,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:17,453 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:17,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771174468] [2023-11-19 08:00:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:17,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:17,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:17,454 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:17,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 08:00:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:17,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:17,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:00:17,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:17,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:17,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983046137] [2023-11-19 08:00:17,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:17,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771174468] [2023-11-19 08:00:17,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771174468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:17,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:17,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:00:17,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822997744] [2023-11-19 08:00:17,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:17,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:00:17,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:17,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:00:17,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:17,579 INFO L87 Difference]: Start difference. First operand 138 states and 145 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:00:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:17,657 INFO L93 Difference]: Finished difference Result 138 states and 145 transitions. [2023-11-19 08:00:17,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:00:17,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2023-11-19 08:00:17,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:17,660 INFO L225 Difference]: With dead ends: 138 [2023-11-19 08:00:17,661 INFO L226 Difference]: Without dead ends: 129 [2023-11-19 08:00:17,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:00:17,662 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 130 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:17,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 114 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:17,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-19 08:00:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-11-19 08:00:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 89 states have (on average 1.348314606741573) internal successors, (120), 119 states have internal predecessors, (120), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 08:00:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2023-11-19 08:00:17,671 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 51 [2023-11-19 08:00:17,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:17,673 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2023-11-19 08:00:17,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:00:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2023-11-19 08:00:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 08:00:17,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:17,675 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:17,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:17,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:17,891 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:17,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:17,891 INFO L85 PathProgramCache]: Analyzing trace with hash -185772108, now seen corresponding path program 1 times [2023-11-19 08:00:17,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:17,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362483939] [2023-11-19 08:00:17,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:17,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:17,911 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:17,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456379993] [2023-11-19 08:00:17,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:17,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:17,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:17,919 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:17,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 08:00:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:17,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:00:17,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:00:18,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 08:00:18,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:18,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362483939] [2023-11-19 08:00:18,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:18,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456379993] [2023-11-19 08:00:18,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456379993] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:18,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:18,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-19 08:00:18,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295033672] [2023-11-19 08:00:18,171 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:18,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:00:18,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:18,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:00:18,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:18,174 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 08:00:18,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:18,334 INFO L93 Difference]: Finished difference Result 221 states and 247 transitions. [2023-11-19 08:00:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:18,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-11-19 08:00:18,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:18,337 INFO L225 Difference]: With dead ends: 221 [2023-11-19 08:00:18,338 INFO L226 Difference]: Without dead ends: 212 [2023-11-19 08:00:18,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:18,339 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 167 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:18,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 204 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:18,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-19 08:00:18,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 120. [2023-11-19 08:00:18,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 89 states have (on average 1.247191011235955) internal successors, (111), 110 states have internal predecessors, (111), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 08:00:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 127 transitions. [2023-11-19 08:00:18,352 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 127 transitions. Word has length 52 [2023-11-19 08:00:18,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:18,352 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 127 transitions. [2023-11-19 08:00:18,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 08:00:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-19 08:00:18,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 08:00:18,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:18,359 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:18,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:18,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:18,572 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:18,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:18,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1650363250, now seen corresponding path program 1 times [2023-11-19 08:00:18,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:18,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191494210] [2023-11-19 08:00:18,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:18,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:18,585 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:18,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976374452] [2023-11-19 08:00:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:18,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:18,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:18,587 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:18,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 08:00:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:18,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:00:18,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 08:00:18,726 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 08:00:18,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:18,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191494210] [2023-11-19 08:00:18,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:18,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976374452] [2023-11-19 08:00:18,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976374452] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:18,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:18,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-19 08:00:18,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400621365] [2023-11-19 08:00:18,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:18,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:00:18,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:18,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:00:18,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:18,886 INFO L87 Difference]: Start difference. First operand 120 states and 127 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-19 08:00:19,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:19,118 INFO L93 Difference]: Finished difference Result 287 states and 309 transitions. [2023-11-19 08:00:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:19,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 65 [2023-11-19 08:00:19,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:19,122 INFO L225 Difference]: With dead ends: 287 [2023-11-19 08:00:19,122 INFO L226 Difference]: Without dead ends: 285 [2023-11-19 08:00:19,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:00:19,124 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 255 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:19,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 272 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-11-19 08:00:19,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 197. [2023-11-19 08:00:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 160 states have (on average 1.28125) internal successors, (205), 180 states have internal predecessors, (205), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 08:00:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 235 transitions. [2023-11-19 08:00:19,157 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 235 transitions. Word has length 65 [2023-11-19 08:00:19,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:19,157 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 235 transitions. [2023-11-19 08:00:19,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-19 08:00:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 235 transitions. [2023-11-19 08:00:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 08:00:19,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:19,159 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:19,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:19,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:19,372 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:19,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:19,373 INFO L85 PathProgramCache]: Analyzing trace with hash 809495382, now seen corresponding path program 1 times [2023-11-19 08:00:19,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:19,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457364350] [2023-11-19 08:00:19,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:19,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:19,384 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:19,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571127384] [2023-11-19 08:00:19,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:19,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:19,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:19,386 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:19,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 08:00:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:19,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:00:19,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 08:00:19,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 08:00:19,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:19,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457364350] [2023-11-19 08:00:19,690 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:19,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571127384] [2023-11-19 08:00:19,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571127384] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:19,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:19,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-19 08:00:19,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606885586] [2023-11-19 08:00:19,691 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:19,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:00:19,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:19,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:00:19,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:19,694 INFO L87 Difference]: Start difference. First operand 197 states and 235 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 08:00:19,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:19,984 INFO L93 Difference]: Finished difference Result 279 states and 308 transitions. [2023-11-19 08:00:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:19,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 72 [2023-11-19 08:00:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:19,987 INFO L225 Difference]: With dead ends: 279 [2023-11-19 08:00:19,987 INFO L226 Difference]: Without dead ends: 274 [2023-11-19 08:00:19,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:00:19,988 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 194 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:19,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 234 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-19 08:00:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 196. [2023-11-19 08:00:20,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 162 states have (on average 1.2160493827160495) internal successors, (197), 178 states have internal predecessors, (197), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:00:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 229 transitions. [2023-11-19 08:00:20,004 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 229 transitions. Word has length 72 [2023-11-19 08:00:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:20,005 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 229 transitions. [2023-11-19 08:00:20,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 08:00:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 229 transitions. [2023-11-19 08:00:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 08:00:20,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:20,006 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:20,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:20,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 08:00:20,228 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:20,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash 535983960, now seen corresponding path program 1 times [2023-11-19 08:00:20,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:20,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088270186] [2023-11-19 08:00:20,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:20,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:20,245 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:20,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900286361] [2023-11-19 08:00:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:20,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:20,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:20,248 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:20,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 08:00:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:20,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:00:20,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 08:00:20,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 08:00:20,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:20,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088270186] [2023-11-19 08:00:20,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:20,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900286361] [2023-11-19 08:00:20,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900286361] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:20,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:20,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-19 08:00:20,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923189392] [2023-11-19 08:00:20,583 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:20,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:00:20,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:20,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:00:20,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:00:20,585 INFO L87 Difference]: Start difference. First operand 196 states and 229 transitions. Second operand has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 08:00:20,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:20,832 INFO L93 Difference]: Finished difference Result 228 states and 261 transitions. [2023-11-19 08:00:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:00:20,833 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 74 [2023-11-19 08:00:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:20,835 INFO L225 Difference]: With dead ends: 228 [2023-11-19 08:00:20,835 INFO L226 Difference]: Without dead ends: 219 [2023-11-19 08:00:20,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:00:20,836 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 143 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:20,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 172 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:20,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-19 08:00:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 189. [2023-11-19 08:00:20,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 162 states have (on average 1.117283950617284) internal successors, (181), 171 states have internal predecessors, (181), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:00:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 213 transitions. [2023-11-19 08:00:20,869 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 213 transitions. Word has length 74 [2023-11-19 08:00:20,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:20,870 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 213 transitions. [2023-11-19 08:00:20,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.0) internal successors, (98), 8 states have internal predecessors, (98), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 08:00:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 213 transitions. [2023-11-19 08:00:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 08:00:20,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:20,876 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:20,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:21,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 08:00:21,092 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:21,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash -315487398, now seen corresponding path program 1 times [2023-11-19 08:00:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:21,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077049899] [2023-11-19 08:00:21,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:21,104 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:21,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410735190] [2023-11-19 08:00:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:21,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:21,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:21,106 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:21,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 08:00:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:21,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:00:21,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:21,406 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 08:00:21,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:00:21,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077049899] [2023-11-19 08:00:21,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410735190] [2023-11-19 08:00:21,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410735190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:00:21,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:00:21,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:00:21,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876234082] [2023-11-19 08:00:21,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:00:21,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:00:21,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:21,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:00:21,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:21,412 INFO L87 Difference]: Start difference. First operand 189 states and 213 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 08:00:21,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:21,532 INFO L93 Difference]: Finished difference Result 189 states and 213 transitions. [2023-11-19 08:00:21,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:00:21,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 76 [2023-11-19 08:00:21,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:21,535 INFO L225 Difference]: With dead ends: 189 [2023-11-19 08:00:21,535 INFO L226 Difference]: Without dead ends: 159 [2023-11-19 08:00:21,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:00:21,539 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 97 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:21,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 111 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:00:21,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-19 08:00:21,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2023-11-19 08:00:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 140 states have (on average 1.0357142857142858) internal successors, (145), 143 states have internal predecessors, (145), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:00:21,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 173 transitions. [2023-11-19 08:00:21,557 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 173 transitions. Word has length 76 [2023-11-19 08:00:21,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:21,557 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 173 transitions. [2023-11-19 08:00:21,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 08:00:21,558 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 173 transitions. [2023-11-19 08:00:21,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-19 08:00:21,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:21,560 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2023-11-19 08:00:21,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:21,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-19 08:00:21,783 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:21,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:21,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1290551230, now seen corresponding path program 1 times [2023-11-19 08:00:21,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:21,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458994316] [2023-11-19 08:00:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:21,798 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:21,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984747904] [2023-11-19 08:00:21,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:21,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:21,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:21,800 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:21,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 08:00:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:00:21,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:00:21,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:22,282 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:00:22,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:00:22,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:22,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458994316] [2023-11-19 08:00:22,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:22,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984747904] [2023-11-19 08:00:22,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984747904] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:22,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:22,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-11-19 08:00:22,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399582674] [2023-11-19 08:00:22,585 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:22,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 08:00:22,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 08:00:22,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2023-11-19 08:00:22,588 INFO L87 Difference]: Start difference. First operand 159 states and 173 transitions. Second operand has 14 states, 13 states have (on average 14.461538461538462) internal successors, (188), 14 states have internal predecessors, (188), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-19 08:00:22,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:22,973 INFO L93 Difference]: Finished difference Result 251 states and 274 transitions. [2023-11-19 08:00:22,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 08:00:22,974 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.461538461538462) internal successors, (188), 14 states have internal predecessors, (188), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 139 [2023-11-19 08:00:22,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:22,977 INFO L225 Difference]: With dead ends: 251 [2023-11-19 08:00:22,977 INFO L226 Difference]: Without dead ends: 250 [2023-11-19 08:00:22,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=240, Unknown=0, NotChecked=0, Total=420 [2023-11-19 08:00:22,978 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 27 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:22,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 180 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:00:22,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-19 08:00:22,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 243. [2023-11-19 08:00:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 217 states have (on average 1.0506912442396312) internal successors, (228), 220 states have internal predecessors, (228), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 08:00:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 270 transitions. [2023-11-19 08:00:23,003 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 270 transitions. Word has length 139 [2023-11-19 08:00:23,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:23,003 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 270 transitions. [2023-11-19 08:00:23,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.461538461538462) internal successors, (188), 14 states have internal predecessors, (188), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-19 08:00:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 270 transitions. [2023-11-19 08:00:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-19 08:00:23,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:23,006 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2023-11-19 08:00:23,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:23,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-19 08:00:23,220 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:23,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:23,221 INFO L85 PathProgramCache]: Analyzing trace with hash 127166872, now seen corresponding path program 2 times [2023-11-19 08:00:23,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:23,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657882952] [2023-11-19 08:00:23,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:23,236 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:23,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1923015603] [2023-11-19 08:00:23,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:00:23,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:23,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:23,238 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:23,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-19 08:00:23,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:00:23,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:00:23,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 08:00:23,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 08:00:23,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 08:00:24,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:24,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657882952] [2023-11-19 08:00:24,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:24,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923015603] [2023-11-19 08:00:24,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923015603] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:24,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:24,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-19 08:00:24,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298585195] [2023-11-19 08:00:24,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:24,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 08:00:24,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:24,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 08:00:24,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2023-11-19 08:00:24,107 INFO L87 Difference]: Start difference. First operand 243 states and 270 transitions. Second operand has 16 states, 15 states have (on average 14.533333333333333) internal successors, (218), 16 states have internal predecessors, (218), 8 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2023-11-19 08:00:24,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:24,570 INFO L93 Difference]: Finished difference Result 267 states and 292 transitions. [2023-11-19 08:00:24,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 08:00:24,571 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 14.533333333333333) internal successors, (218), 16 states have internal predecessors, (218), 8 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 164 [2023-11-19 08:00:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:24,573 INFO L225 Difference]: With dead ends: 267 [2023-11-19 08:00:24,573 INFO L226 Difference]: Without dead ends: 266 [2023-11-19 08:00:24,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=353, Unknown=0, NotChecked=0, Total=600 [2023-11-19 08:00:24,575 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 97 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:24,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 244 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:00:24,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-11-19 08:00:24,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 260. [2023-11-19 08:00:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 232 states have (on average 1.043103448275862) internal successors, (242), 235 states have internal predecessors, (242), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 08:00:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 288 transitions. [2023-11-19 08:00:24,597 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 288 transitions. Word has length 164 [2023-11-19 08:00:24,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:24,598 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 288 transitions. [2023-11-19 08:00:24,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 14.533333333333333) internal successors, (218), 16 states have internal predecessors, (218), 8 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2023-11-19 08:00:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 288 transitions. [2023-11-19 08:00:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 08:00:24,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:00:24,603 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2023-11-19 08:00:24,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:24,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-19 08:00:24,826 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2023-11-19 08:00:24,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:00:24,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1781711604, now seen corresponding path program 2 times [2023-11-19 08:00:24,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:00:24,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969974230] [2023-11-19 08:00:24,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:00:24,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:00:24,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:00:24,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930563987] [2023-11-19 08:00:24,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:00:24,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:00:24,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:00:24,845 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:00:24,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-19 08:00:25,003 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 08:00:25,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:00:25,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 08:00:25,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:00:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 213 proven. 81 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 08:00:25,970 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:00:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 66 proven. 180 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 08:00:26,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:00:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969974230] [2023-11-19 08:00:26,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 08:00:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930563987] [2023-11-19 08:00:26,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930563987] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:00:26,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:00:26,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2023-11-19 08:00:26,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235235779] [2023-11-19 08:00:26,319 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:00:26,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-19 08:00:26,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:00:26,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-19 08:00:26,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-11-19 08:00:26,323 INFO L87 Difference]: Start difference. First operand 260 states and 288 transitions. Second operand has 20 states, 20 states have (on average 12.9) internal successors, (258), 20 states have internal predecessors, (258), 9 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2023-11-19 08:00:26,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:00:26,685 INFO L93 Difference]: Finished difference Result 264 states and 291 transitions. [2023-11-19 08:00:26,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:00:26,686 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 12.9) internal successors, (258), 20 states have internal predecessors, (258), 9 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) Word has length 200 [2023-11-19 08:00:26,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:00:26,687 INFO L225 Difference]: With dead ends: 264 [2023-11-19 08:00:26,687 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 08:00:26,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2023-11-19 08:00:26,690 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 25 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:00:26,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 430 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:00:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 08:00:26,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 08:00:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:00:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 08:00:26,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2023-11-19 08:00:26,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:00:26,693 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:00:26,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 12.9) internal successors, (258), 20 states have internal predecessors, (258), 9 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 9 states have call predecessors, (26), 9 states have call successors, (26) [2023-11-19 08:00:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:00:26,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 08:00:26,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 50 remaining) [2023-11-19 08:00:26,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 50 remaining) [2023-11-19 08:00:26,697 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 50 remaining) [2023-11-19 08:00:26,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 50 remaining) [2023-11-19 08:00:26,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 50 remaining) [2023-11-19 08:00:26,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 50 remaining) [2023-11-19 08:00:26,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 50 remaining) [2023-11-19 08:00:26,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 50 remaining) [2023-11-19 08:00:26,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 50 remaining) [2023-11-19 08:00:26,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 50 remaining) [2023-11-19 08:00:26,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 50 remaining) [2023-11-19 08:00:26,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 50 remaining) [2023-11-19 08:00:26,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 50 remaining) [2023-11-19 08:00:26,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 50 remaining) [2023-11-19 08:00:26,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 50 remaining) [2023-11-19 08:00:26,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 50 remaining) [2023-11-19 08:00:26,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 50 remaining) [2023-11-19 08:00:26,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 50 remaining) [2023-11-19 08:00:26,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 50 remaining) [2023-11-19 08:00:26,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 50 remaining) [2023-11-19 08:00:26,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 50 remaining) [2023-11-19 08:00:26,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 50 remaining) [2023-11-19 08:00:26,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 50 remaining) [2023-11-19 08:00:26,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 50 remaining) [2023-11-19 08:00:26,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 50 remaining) [2023-11-19 08:00:26,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 50 remaining) [2023-11-19 08:00:26,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 50 remaining) [2023-11-19 08:00:26,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 50 remaining) [2023-11-19 08:00:26,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 50 remaining) [2023-11-19 08:00:26,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 50 remaining) [2023-11-19 08:00:26,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 50 remaining) [2023-11-19 08:00:26,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 50 remaining) [2023-11-19 08:00:26,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 50 remaining) [2023-11-19 08:00:26,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 50 remaining) [2023-11-19 08:00:26,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 50 remaining) [2023-11-19 08:00:26,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 50 remaining) [2023-11-19 08:00:26,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 50 remaining) [2023-11-19 08:00:26,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 50 remaining) [2023-11-19 08:00:26,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 50 remaining) [2023-11-19 08:00:26,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 50 remaining) [2023-11-19 08:00:26,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 50 remaining) [2023-11-19 08:00:26,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 50 remaining) [2023-11-19 08:00:26,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 50 remaining) [2023-11-19 08:00:26,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 50 remaining) [2023-11-19 08:00:26,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 50 remaining) [2023-11-19 08:00:26,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 50 remaining) [2023-11-19 08:00:26,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 50 remaining) [2023-11-19 08:00:26,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 50 remaining) [2023-11-19 08:00:26,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 50 remaining) [2023-11-19 08:00:26,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 50 remaining) [2023-11-19 08:00:26,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-19 08:00:26,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-19 08:00:26,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 08:00:27,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-19 08:00:27,891 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,891 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,891 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,891 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,891 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,892 INFO L895 garLoopResultBuilder]: At program point L44-3(line 44) the Hoare annotation is: (or (and (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)) (and (<= (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) 9223372036854775807) (<= (+ |ULTIMATE.start_main_~t~0#1| 1) |ULTIMATE.start_main_~s~0#1|) (<= 3 |ULTIMATE.start_main_~t~0#1|) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) (<= |ULTIMATE.start_main_~s~0#1| 2305843009213693951))) [2023-11-19 08:00:27,892 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 20 49) no Hoare annotation was computed. [2023-11-19 08:00:27,892 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,893 INFO L899 garLoopResultBuilder]: For program point L44-4(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 08:00:27,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-19 08:00:27,894 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,894 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,894 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,895 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,895 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,895 INFO L899 garLoopResultBuilder]: For program point L45-4(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,895 INFO L895 garLoopResultBuilder]: At program point L45-5(line 45) the Hoare annotation is: (or (and (<= (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) 9223372036854775807) (<= (+ |ULTIMATE.start_main_~t~0#1| 1) |ULTIMATE.start_main_~s~0#1|) (<= 3 |ULTIMATE.start_main_~t~0#1|) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) (<= |ULTIMATE.start_main_~s~0#1| 2305843009213693951)) (and (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 1))) [2023-11-19 08:00:27,895 INFO L899 garLoopResultBuilder]: For program point L45-6(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,895 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,896 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,896 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,896 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-19 08:00:27,896 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,896 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,897 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,897 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,897 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,897 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,897 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 08:00:27,897 INFO L899 garLoopResultBuilder]: For program point L46-5(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,898 INFO L899 garLoopResultBuilder]: For program point L46-6(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,898 INFO L899 garLoopResultBuilder]: For program point L46-7(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,898 INFO L899 garLoopResultBuilder]: For program point L46-8(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,898 INFO L899 garLoopResultBuilder]: For program point L46-9(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,898 INFO L899 garLoopResultBuilder]: For program point L46-10(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,898 INFO L902 garLoopResultBuilder]: At program point L46-11(line 46) the Hoare annotation is: true [2023-11-19 08:00:27,899 INFO L899 garLoopResultBuilder]: For program point L46-12(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,899 INFO L895 garLoopResultBuilder]: At program point L30-2(lines 30 42) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 10)) (.cse2 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~n~0#1|)) (.cse3 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))) (or (and (= 3 |ULTIMATE.start_main_~t~0#1|) .cse0 (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4) .cse1) (and (<= 7 |ULTIMATE.start_main_~t~0#1|) (= 16 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_main_~t~0#1| 12) .cse0 .cse2 (<= (+ .cse3 (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) .cse1) (and .cse0 (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) .cse1 (= |ULTIMATE.start_main_~s~0#1| 1)) (and .cse0 (= 5 |ULTIMATE.start_main_~t~0#1|) .cse2 (= 9 |ULTIMATE.start_main_~s~0#1|) .cse1 (<= (+ .cse3 (* |ULTIMATE.start_main_~a~0#1| 4)) 9223372036854775803)))) [2023-11-19 08:00:27,900 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 30 42) no Hoare annotation was computed. [2023-11-19 08:00:27,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-19 08:00:27,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,900 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2023-11-19 08:00:27,901 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2023-11-19 08:00:27,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,901 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,901 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,901 INFO L899 garLoopResultBuilder]: For program point L31-2(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,901 INFO L899 garLoopResultBuilder]: For program point L31-3(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,902 INFO L895 garLoopResultBuilder]: At program point L31-4(line 31) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 10)) (.cse2 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~n~0#1|)) (.cse3 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))) (or (and (= 3 |ULTIMATE.start_main_~t~0#1|) .cse0 (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4) .cse1) (and (<= 7 |ULTIMATE.start_main_~t~0#1|) (= 16 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_main_~t~0#1| 12) .cse0 .cse2 (<= (+ .cse3 (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) .cse1) (and .cse0 (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) .cse1 (= |ULTIMATE.start_main_~s~0#1| 1)) (and .cse0 (= 5 |ULTIMATE.start_main_~t~0#1|) .cse2 (= 9 |ULTIMATE.start_main_~s~0#1|) .cse1 (<= (+ .cse3 (* |ULTIMATE.start_main_~a~0#1| 4)) 9223372036854775803)))) [2023-11-19 08:00:27,902 INFO L899 garLoopResultBuilder]: For program point L31-5(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,902 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,902 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-19 08:00:27,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,903 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-19 08:00:27,903 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-11-19 08:00:27,903 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,903 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 08:00:27,903 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,904 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,904 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,904 INFO L899 garLoopResultBuilder]: For program point L32-4(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,904 INFO L895 garLoopResultBuilder]: At program point L32-5(line 32) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 10)) (.cse2 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~n~0#1|)) (.cse3 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))) (or (and (= 3 |ULTIMATE.start_main_~t~0#1|) .cse0 (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4) .cse1) (and (<= 7 |ULTIMATE.start_main_~t~0#1|) (= 16 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_main_~t~0#1| 12) .cse0 .cse2 (<= (+ .cse3 (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) .cse1) (and .cse0 (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) .cse1 (= |ULTIMATE.start_main_~s~0#1| 1)) (and .cse0 (= 5 |ULTIMATE.start_main_~t~0#1|) .cse2 (= 9 |ULTIMATE.start_main_~s~0#1|) .cse1 (<= (+ .cse3 (* |ULTIMATE.start_main_~a~0#1| 4)) 9223372036854775803)))) [2023-11-19 08:00:27,905 INFO L899 garLoopResultBuilder]: For program point L32-6(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,905 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-19 08:00:27,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,906 INFO L899 garLoopResultBuilder]: For program point L8(lines 8 10) no Hoare annotation was computed. [2023-11-19 08:00:27,906 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-19 08:00:27,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,906 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,906 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 08:00:27,907 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,907 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,907 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,907 INFO L899 garLoopResultBuilder]: For program point L33-4(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,908 INFO L899 garLoopResultBuilder]: For program point L33-5(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,908 INFO L899 garLoopResultBuilder]: For program point L33-6(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,908 INFO L899 garLoopResultBuilder]: For program point L33-7(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,908 INFO L899 garLoopResultBuilder]: For program point L33-8(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,908 INFO L899 garLoopResultBuilder]: For program point L33-9(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,909 INFO L899 garLoopResultBuilder]: For program point L33-10(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,909 INFO L895 garLoopResultBuilder]: At program point L33-11(line 33) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 10)) (.cse2 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~n~0#1|)) (.cse3 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|))) (or (and (= 3 |ULTIMATE.start_main_~t~0#1|) .cse0 (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 4) .cse1) (and (<= 7 |ULTIMATE.start_main_~t~0#1|) (= 16 |ULTIMATE.start_main_~s~0#1|) (<= |ULTIMATE.start_main_~t~0#1| 12) .cse0 .cse2 (<= (+ .cse3 (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) .cse1) (and .cse0 (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) .cse1 (= |ULTIMATE.start_main_~s~0#1| 1)) (and .cse0 (= 5 |ULTIMATE.start_main_~t~0#1|) .cse2 (= 9 |ULTIMATE.start_main_~s~0#1|) .cse1 (<= (+ .cse3 (* |ULTIMATE.start_main_~a~0#1| 4)) 9223372036854775803)))) [2023-11-19 08:00:27,909 INFO L899 garLoopResultBuilder]: For program point L33-12(lines 30 42) no Hoare annotation was computed. [2023-11-19 08:00:27,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,910 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2023-11-19 08:00:27,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-19 08:00:27,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 08:00:27,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 08:00:27,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 08:00:27,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 08:00:27,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 08:00:27,911 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 08:00:27,911 INFO L899 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2023-11-19 08:00:27,911 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2023-11-19 08:00:27,912 INFO L899 garLoopResultBuilder]: For program point L12-2(lines 11 17) no Hoare annotation was computed. [2023-11-19 08:00:27,912 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 11 17) no Hoare annotation was computed. [2023-11-19 08:00:27,912 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2023-11-19 08:00:27,912 INFO L899 garLoopResultBuilder]: For program point L5(line 5) no Hoare annotation was computed. [2023-11-19 08:00:27,915 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:00:27,918 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:00:27,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:00:27 BoogieIcfgContainer [2023-11-19 08:00:27,932 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:00:27,933 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:00:27,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:00:27,933 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:00:27,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:00:12" (3/4) ... [2023-11-19 08:00:27,936 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:00:27,940 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 08:00:27,959 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 08:00:27,959 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:00:27,960 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:00:27,960 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:00:28,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:00:28,077 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:00:28,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:00:28,078 INFO L158 Benchmark]: Toolchain (without parser) took 16522.85ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 89.0MB in the beginning and 151.4MB in the end (delta: -62.3MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2023-11-19 08:00:28,078 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 134.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:28,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.63ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 78.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:00:28,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.10ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:28,080 INFO L158 Benchmark]: Boogie Preprocessor took 50.66ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:00:28,080 INFO L158 Benchmark]: RCFGBuilder took 549.02ms. Allocated memory is still 134.2MB. Free memory was 75.4MB in the beginning and 58.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:00:28,081 INFO L158 Benchmark]: TraceAbstraction took 15462.19ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 57.6MB in the beginning and 49.3MB in the end (delta: 8.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-19 08:00:28,081 INFO L158 Benchmark]: Witness Printer took 144.81ms. Allocated memory is still 184.5MB. Free memory was 49.3MB in the beginning and 151.4MB in the end (delta: -102.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:00:28,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 134.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.63ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 78.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.10ms. Allocated memory is still 134.2MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.66ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 75.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.02ms. Allocated memory is still 134.2MB. Free memory was 75.4MB in the beginning and 58.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15462.19ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 57.6MB in the beginning and 49.3MB in the end (delta: 8.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Witness Printer took 144.81ms. Allocated memory is still 184.5MB. Free memory was 49.3MB in the beginning and 151.4MB in the end (delta: -102.0MB). 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 - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 122 locations, 50 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 18, TraceHistogramMax: 13, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1668 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1605 mSDsluCounter, 3287 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1930 mSDsCounter, 197 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2175 IncrementalHoareTripleChecker+Invalid, 2372 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 197 mSolverCounterUnsat, 1357 mSDtfsCounter, 2175 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1910 GetRequests, 1807 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=260occurred in iteration=17, InterpolantAutomatonStates: 104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 390 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 41 PreInvPairs, 62 NumberOfFragments, 423 HoareAnnotationTreeSize, 41 FomulaSimplifications, 1320 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 8 FomulaSimplificationsInter, 1078 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1152 NumberOfCodeBlocks, 1152 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1893 ConstructedInterpolants, 0 QuantifiedInterpolants, 9296 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2018 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 25 InterpolantComputations, 11 PerfectInterpolantSequences, 1932/2785 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 - AllSpecificationsHoldResult: All specifications hold 50 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((3 == t) && (n <= 10)) && (a == 1)) && (s == 4)) && (0 <= n)) || (((((((7 <= t) && (16 == s)) && (t <= 12)) && (n <= 10)) && (1 <= a)) && (((a * a) + (2 * a)) <= 9223372036854775806)) && (0 <= n))) || (((((n <= 10) && (t == 1)) && (a == 0)) && (0 <= n)) && (s == 1))) || ((((((n <= 10) && (5 == t)) && (1 <= a)) && (9 == s)) && (0 <= n)) && (((a * a) + (a * 4)) <= 9223372036854775803))) RESULT: Ultimate proved your program to be correct! [2023-11-19 08:00:28,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9eb8d7c8-acf2-4cac-890a-43e59ac2314d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE