./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.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_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/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_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/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_29fb8ff8-9e6d-4fbf-a42c-67098935827b/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 5a7fa473b022aa2e23bff7f5f7b8857d51e8b48cb53169d649271e1a03b0ebc0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:57,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:57,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:58:57,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:57,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:57,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:57,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:57,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:57,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:58:57,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:58:57,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:57,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:57,940 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:57,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:57,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:58:57,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:58:57,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:57,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:58:57,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:57,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:58:57,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:58:57,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:58:57,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:58:57,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:58:57,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:58:57,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:57,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:57,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:57,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:57,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:58:57,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:58:57,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:57,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:58:57,968 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:58:57,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:57,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:58:57,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:58:57,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:58:57,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:58:57,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:58:57,969 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:58:57,970 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_29fb8ff8-9e6d-4fbf-a42c-67098935827b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a7fa473b022aa2e23bff7f5f7b8857d51e8b48cb53169d649271e1a03b0ebc0 [2023-11-19 07:58:58,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:58,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:58,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:58,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:58,383 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:58,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c [2023-11-19 07:59:01,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:01,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:02,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound1.c [2023-11-19 07:59:02,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/data/f34ae45f1/823263688a7347a3ab5c074bad3f30d1/FLAGa5375da20 [2023-11-19 07:59:02,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/data/f34ae45f1/823263688a7347a3ab5c074bad3f30d1 [2023-11-19 07:59:02,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:02,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:02,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:02,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:02,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:02,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f189bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02, skipping insertion in model container [2023-11-19 07:59:02,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,098 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:02,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:02,379 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:02,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:02,443 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:02,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02 WrapperNode [2023-11-19 07:59:02,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:02,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:02,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:02,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:02,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,517 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-11-19 07:59:02,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:02,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:02,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:02,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:02,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:02,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:02,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:02,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:02,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (1/1) ... [2023-11-19 07:59:02,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:02,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:02,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:02,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:59:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:59:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:59:02,723 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:02,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:03,271 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:03,282 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:03,283 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:59:03,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:03 BoogieIcfgContainer [2023-11-19 07:59:03,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:03,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:03,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:03,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:03,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:02" (1/3) ... [2023-11-19 07:59:03,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f18e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:03, skipping insertion in model container [2023-11-19 07:59:03,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:02" (2/3) ... [2023-11-19 07:59:03,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f18e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:03, skipping insertion in model container [2023-11-19 07:59:03,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:03" (3/3) ... [2023-11-19 07:59:03,298 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_unwindbound1.c [2023-11-19 07:59:03,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:03,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2023-11-19 07:59:03,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:03,383 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;@15407c93, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:03,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2023-11-19 07:59:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:59:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:59:03,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:03,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:59:03,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:03,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:03,403 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2023-11-19 07:59:03,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:03,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393558852] [2023-11-19 07:59:03,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:03,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:03,737 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 07:59:03,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:03,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393558852] [2023-11-19 07:59:03,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393558852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:03,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:03,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:03,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038431797] [2023-11-19 07:59:03,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:03,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:59:03,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:03,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:59:03,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:03,801 INFO L87 Difference]: Start difference. First operand has 142 states, 75 states have (on average 1.88) internal successors, (141), 137 states have internal predecessors, (141), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 07:59:03,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:03,918 INFO L93 Difference]: Finished difference Result 275 states and 302 transitions. [2023-11-19 07:59:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:59:03,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-19 07:59:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:03,931 INFO L225 Difference]: With dead ends: 275 [2023-11-19 07:59:03,932 INFO L226 Difference]: Without dead ends: 129 [2023-11-19 07:59:03,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:59:03,941 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 4 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:03,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 384 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:03,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-19 07:59:03,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2023-11-19 07:59:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 74 states have (on average 1.7162162162162162) internal successors, (127), 125 states have internal predecessors, (127), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 131 transitions. [2023-11-19 07:59:03,994 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 131 transitions. Word has length 4 [2023-11-19 07:59:03,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:03,995 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 131 transitions. [2023-11-19 07:59:03,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 07:59:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 131 transitions. [2023-11-19 07:59:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 07:59:03,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:03,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:03,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:59:03,997 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:03,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2023-11-19 07:59:03,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:03,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718030527] [2023-11-19 07:59:03,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:04,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:04,065 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 07:59:04,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:04,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718030527] [2023-11-19 07:59:04,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718030527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:04,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:04,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:04,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246607461] [2023-11-19 07:59:04,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:04,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:04,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:04,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:04,070 INFO L87 Difference]: Start difference. First operand 129 states and 131 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:04,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:04,256 INFO L93 Difference]: Finished difference Result 242 states and 246 transitions. [2023-11-19 07:59:04,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:04,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-19 07:59:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:04,261 INFO L225 Difference]: With dead ends: 242 [2023-11-19 07:59:04,262 INFO L226 Difference]: Without dead ends: 231 [2023-11-19 07:59:04,263 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 07:59:04,264 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 100 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:04,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 228 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:04,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-11-19 07:59:04,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 181. [2023-11-19 07:59:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 124 states have (on average 1.6774193548387097) internal successors, (208), 175 states have internal predecessors, (208), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:59:04,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2023-11-19 07:59:04,289 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 7 [2023-11-19 07:59:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:04,290 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2023-11-19 07:59:04,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2023-11-19 07:59:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 07:59:04,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:04,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:04,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:59:04,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:04,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:04,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2074270835, now seen corresponding path program 1 times [2023-11-19 07:59:04,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:04,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643385128] [2023-11-19 07:59:04,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:04,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:04,307 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:04,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491910272] [2023-11-19 07:59:04,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:04,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:04,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:04,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:04,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:59:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:04,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:59:04,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:04,427 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 07:59:04,427 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:04,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:04,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643385128] [2023-11-19 07:59:04,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:04,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491910272] [2023-11-19 07:59:04,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491910272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:04,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:04,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:04,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500906567] [2023-11-19 07:59:04,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:04,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:04,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:04,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:04,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:04,434 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:04,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:04,756 INFO L93 Difference]: Finished difference Result 220 states and 224 transitions. [2023-11-19 07:59:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:04,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-19 07:59:04,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:04,759 INFO L225 Difference]: With dead ends: 220 [2023-11-19 07:59:04,760 INFO L226 Difference]: Without dead ends: 193 [2023-11-19 07:59:04,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 07:59:04,762 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 58 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:04,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 128 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:59:04,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-19 07:59:04,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 185. [2023-11-19 07:59:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 128 states have (on average 1.4765625) internal successors, (189), 179 states have internal predecessors, (189), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:59:04,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 197 transitions. [2023-11-19 07:59:04,782 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 197 transitions. Word has length 10 [2023-11-19 07:59:04,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:04,783 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 197 transitions. [2023-11-19 07:59:04,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 197 transitions. [2023-11-19 07:59:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 07:59:04,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:04,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:04,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:05,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:05,001 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:05,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:05,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1529640783, now seen corresponding path program 1 times [2023-11-19 07:59:05,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:05,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585238562] [2023-11-19 07:59:05,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:05,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:05,015 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:05,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684948621] [2023-11-19 07:59:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:05,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:05,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:05,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:05,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:59:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:05,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:59:05,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:05,111 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 07:59:05,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:05,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:05,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585238562] [2023-11-19 07:59:05,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:05,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684948621] [2023-11-19 07:59:05,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684948621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:05,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:05,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:05,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822756154] [2023-11-19 07:59:05,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:05,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:59:05,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:05,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:59:05,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:05,117 INFO L87 Difference]: Start difference. First operand 185 states and 197 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:05,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:05,347 INFO L93 Difference]: Finished difference Result 204 states and 208 transitions. [2023-11-19 07:59:05,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:05,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-11-19 07:59:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:05,349 INFO L225 Difference]: With dead ends: 204 [2023-11-19 07:59:05,350 INFO L226 Difference]: Without dead ends: 170 [2023-11-19 07:59:05,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 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 07:59:05,352 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 116 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:05,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 185 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:05,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-19 07:59:05,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 157. [2023-11-19 07:59:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 101 states have (on average 1.5445544554455446) internal successors, (156), 152 states have internal predecessors, (156), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:59:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 162 transitions. [2023-11-19 07:59:05,377 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 162 transitions. Word has length 15 [2023-11-19 07:59:05,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:05,378 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 162 transitions. [2023-11-19 07:59:05,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:59:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2023-11-19 07:59:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 07:59:05,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:05,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:05,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:05,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:05,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:05,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:05,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1177420528, now seen corresponding path program 1 times [2023-11-19 07:59:05,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:05,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905567632] [2023-11-19 07:59:05,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:05,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:05,618 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:05,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [764565321] [2023-11-19 07:59:05,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:05,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:05,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:05,621 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:05,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:59:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:05,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:59:05,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:05,845 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 07:59:05,846 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:05,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:05,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905567632] [2023-11-19 07:59:05,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:05,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764565321] [2023-11-19 07:59:05,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764565321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:05,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:05,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837399318] [2023-11-19 07:59:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:05,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:05,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:05,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:05,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:05,857 INFO L87 Difference]: Start difference. First operand 157 states and 162 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:05,874 INFO L93 Difference]: Finished difference Result 157 states and 162 transitions. [2023-11-19 07:59:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:05,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2023-11-19 07:59:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:05,877 INFO L225 Difference]: With dead ends: 157 [2023-11-19 07:59:05,877 INFO L226 Difference]: Without dead ends: 156 [2023-11-19 07:59:05,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 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 07:59:05,881 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 89 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:05,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 127 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:05,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-19 07:59:05,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-11-19 07:59:05,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5247524752475248) internal successors, (154), 151 states have internal predecessors, (154), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:59:05,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2023-11-19 07:59:05,900 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 35 [2023-11-19 07:59:05,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:05,901 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2023-11-19 07:59:05,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:05,902 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2023-11-19 07:59:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 07:59:05,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:05,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:05,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:06,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:06,129 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:06,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:06,129 INFO L85 PathProgramCache]: Analyzing trace with hash 2140298100, now seen corresponding path program 1 times [2023-11-19 07:59:06,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:06,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501411632] [2023-11-19 07:59:06,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:06,146 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:06,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612366971] [2023-11-19 07:59:06,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:06,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:06,153 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:06,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:59:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:06,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:59:06,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:06,303 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 07:59:06,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:06,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:06,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501411632] [2023-11-19 07:59:06,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:06,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612366971] [2023-11-19 07:59:06,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612366971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:06,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:06,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:06,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532669640] [2023-11-19 07:59:06,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:06,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:06,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:06,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:06,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:06,320 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:06,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:06,339 INFO L93 Difference]: Finished difference Result 157 states and 160 transitions. [2023-11-19 07:59:06,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:06,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2023-11-19 07:59:06,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:06,341 INFO L225 Difference]: With dead ends: 157 [2023-11-19 07:59:06,342 INFO L226 Difference]: Without dead ends: 156 [2023-11-19 07:59:06,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 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 07:59:06,345 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:06,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:06,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-19 07:59:06,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-11-19 07:59:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.5148514851485149) internal successors, (153), 151 states have internal predecessors, (153), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:59:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 159 transitions. [2023-11-19 07:59:06,372 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 159 transitions. Word has length 36 [2023-11-19 07:59:06,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:06,373 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 159 transitions. [2023-11-19 07:59:06,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 159 transitions. [2023-11-19 07:59:06,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 07:59:06,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:06,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:06,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:06,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 07:59:06,591 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:06,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:06,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1870623480, now seen corresponding path program 1 times [2023-11-19 07:59:06,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:06,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848277193] [2023-11-19 07:59:06,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:06,606 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:06,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229590148] [2023-11-19 07:59:06,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:06,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:06,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:06,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:06,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:59:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:06,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:59:06,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:06,761 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 07:59:06,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:06,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:06,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848277193] [2023-11-19 07:59:06,761 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:06,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229590148] [2023-11-19 07:59:06,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229590148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:06,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:06,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:06,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056659286] [2023-11-19 07:59:06,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:06,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:59:06,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:59:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:06,764 INFO L87 Difference]: Start difference. First operand 156 states and 159 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:07,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:07,094 INFO L93 Difference]: Finished difference Result 274 states and 280 transitions. [2023-11-19 07:59:07,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:07,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2023-11-19 07:59:07,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:07,097 INFO L225 Difference]: With dead ends: 274 [2023-11-19 07:59:07,097 INFO L226 Difference]: Without dead ends: 248 [2023-11-19 07:59:07,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:07,099 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 89 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:07,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 121 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:59:07,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-19 07:59:07,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 221. [2023-11-19 07:59:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 214 states have internal predecessors, (241), 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 07:59:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2023-11-19 07:59:07,111 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 40 [2023-11-19 07:59:07,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:07,112 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2023-11-19 07:59:07,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2023-11-19 07:59:07,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 07:59:07,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:07,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:07,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:07,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-19 07:59:07,331 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:07,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:07,332 INFO L85 PathProgramCache]: Analyzing trace with hash 543536376, now seen corresponding path program 1 times [2023-11-19 07:59:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:07,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391910084] [2023-11-19 07:59:07,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:07,346 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:07,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273027116] [2023-11-19 07:59:07,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:07,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:07,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:07,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:59:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:59:07,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:07,484 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 07:59:07,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:07,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:07,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391910084] [2023-11-19 07:59:07,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:07,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273027116] [2023-11-19 07:59:07,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273027116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:07,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:07,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:07,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772011419] [2023-11-19 07:59:07,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:07,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:59:07,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:07,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:59:07,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:07,487 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:07,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:07,618 INFO L93 Difference]: Finished difference Result 223 states and 251 transitions. [2023-11-19 07:59:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:07,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2023-11-19 07:59:07,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:07,621 INFO L225 Difference]: With dead ends: 223 [2023-11-19 07:59:07,621 INFO L226 Difference]: Without dead ends: 222 [2023-11-19 07:59:07,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 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 07:59:07,624 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 36 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:07,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 185 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:59:07,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-19 07:59:07,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 221. [2023-11-19 07:59:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4634146341463414) internal successors, (240), 214 states have internal predecessors, (240), 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 07:59:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2023-11-19 07:59:07,639 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 43 [2023-11-19 07:59:07,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:07,639 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2023-11-19 07:59:07,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2023-11-19 07:59:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 07:59:07,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:07,641 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:07,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:07,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:07,849 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:07,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:07,849 INFO L85 PathProgramCache]: Analyzing trace with hash -330241412, now seen corresponding path program 1 times [2023-11-19 07:59:07,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:07,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878450269] [2023-11-19 07:59:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:07,881 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:07,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798488120] [2023-11-19 07:59:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:07,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:07,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:07,883 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:07,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:59:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:07,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:59:07,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:08,027 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 07:59:08,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:08,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:08,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878450269] [2023-11-19 07:59:08,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:08,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798488120] [2023-11-19 07:59:08,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798488120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:08,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:08,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:59:08,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100365515] [2023-11-19 07:59:08,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:08,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:59:08,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:08,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:59:08,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:08,031 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:08,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:08,234 INFO L93 Difference]: Finished difference Result 222 states and 250 transitions. [2023-11-19 07:59:08,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:08,235 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2023-11-19 07:59:08,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:08,237 INFO L225 Difference]: With dead ends: 222 [2023-11-19 07:59:08,237 INFO L226 Difference]: Without dead ends: 221 [2023-11-19 07:59:08,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 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 07:59:08,238 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 30 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:08,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 210 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:08,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-19 07:59:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2023-11-19 07:59:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.4573170731707317) internal successors, (239), 214 states have internal predecessors, (239), 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 07:59:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 249 transitions. [2023-11-19 07:59:08,250 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 249 transitions. Word has length 44 [2023-11-19 07:59:08,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:08,250 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 249 transitions. [2023-11-19 07:59:08,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 249 transitions. [2023-11-19 07:59:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 07:59:08,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:08,258 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:08,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:08,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-19 07:59:08,483 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:08,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:08,484 INFO L85 PathProgramCache]: Analyzing trace with hash 465584158, now seen corresponding path program 1 times [2023-11-19 07:59:08,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:08,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115392461] [2023-11-19 07:59:08,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:08,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:08,496 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:08,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264146438] [2023-11-19 07:59:08,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:08,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:08,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:08,498 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:08,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:59:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:08,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:59:08,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:08,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:08,676 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:08,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:08,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115392461] [2023-11-19 07:59:08,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:08,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264146438] [2023-11-19 07:59:08,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264146438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:08,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:08,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:59:08,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951415919] [2023-11-19 07:59:08,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:08,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:59:08,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:08,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:59:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:59:08,684 INFO L87 Difference]: Start difference. First operand 221 states and 249 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:08,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:08,710 INFO L93 Difference]: Finished difference Result 221 states and 249 transitions. [2023-11-19 07:59:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:08,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2023-11-19 07:59:08,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:08,713 INFO L225 Difference]: With dead ends: 221 [2023-11-19 07:59:08,713 INFO L226 Difference]: Without dead ends: 220 [2023-11-19 07:59:08,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:08,714 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 87 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:08,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 355 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:08,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-19 07:59:08,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2023-11-19 07:59:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 164 states have (on average 1.4451219512195121) internal successors, (237), 213 states have internal predecessors, (237), 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 07:59:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 247 transitions. [2023-11-19 07:59:08,726 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 247 transitions. Word has length 46 [2023-11-19 07:59:08,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:08,727 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 247 transitions. [2023-11-19 07:59:08,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 247 transitions. [2023-11-19 07:59:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 07:59:08,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:08,729 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:08,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:08,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:59:08,941 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:08,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:08,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1548207051, now seen corresponding path program 1 times [2023-11-19 07:59:08,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:08,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435182746] [2023-11-19 07:59:08,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:08,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:08,954 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:08,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987848467] [2023-11-19 07:59:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:08,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:08,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:08,967 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:08,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:59:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:59:09,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:09,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435182746] [2023-11-19 07:59:09,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987848467] [2023-11-19 07:59:09,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987848467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:09,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:09,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:59:09,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680228339] [2023-11-19 07:59:09,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:09,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:59:09,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:09,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:59:09,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:59:09,102 INFO L87 Difference]: Start difference. First operand 220 states and 247 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:09,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:09,157 INFO L93 Difference]: Finished difference Result 303 states and 340 transitions. [2023-11-19 07:59:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:59:09,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2023-11-19 07:59:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:09,161 INFO L225 Difference]: With dead ends: 303 [2023-11-19 07:59:09,161 INFO L226 Difference]: Without dead ends: 302 [2023-11-19 07:59:09,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:59:09,163 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 84 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:09,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 561 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-11-19 07:59:09,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 237. [2023-11-19 07:59:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 179 states have (on average 1.446927374301676) internal successors, (259), 229 states have internal predecessors, (259), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 07:59:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 273 transitions. [2023-11-19 07:59:09,178 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 273 transitions. Word has length 47 [2023-11-19 07:59:09,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:09,178 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 273 transitions. [2023-11-19 07:59:09,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 273 transitions. [2023-11-19 07:59:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 07:59:09,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:09,181 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:09,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:09,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:09,402 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:09,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:09,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1768293069, now seen corresponding path program 1 times [2023-11-19 07:59:09,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:09,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771137642] [2023-11-19 07:59:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:09,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:09,415 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:09,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130818588] [2023-11-19 07:59:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:09,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:09,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:09,417 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:09,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:59:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:09,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:59:09,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:09,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:09,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:09,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771137642] [2023-11-19 07:59:09,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:09,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130818588] [2023-11-19 07:59:09,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130818588] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:09,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:09,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 6 [2023-11-19 07:59:09,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522124141] [2023-11-19 07:59:09,688 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:09,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:59:09,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:09,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:59:09,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:09,690 INFO L87 Difference]: Start difference. First operand 237 states and 273 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:59:09,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:09,730 INFO L93 Difference]: Finished difference Result 279 states and 308 transitions. [2023-11-19 07:59:09,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:59:09,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 49 [2023-11-19 07:59:09,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:09,732 INFO L225 Difference]: With dead ends: 279 [2023-11-19 07:59:09,732 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 07:59:09,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:59:09,734 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 47 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:09,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 162 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:09,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 07:59:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-19 07:59:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 88 states have internal predecessors, (88), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 92 transitions. [2023-11-19 07:59:09,742 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 92 transitions. Word has length 49 [2023-11-19 07:59:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:09,742 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 92 transitions. [2023-11-19 07:59:09,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:59:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 92 transitions. [2023-11-19 07:59:09,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 07:59:09,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:09,744 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:09,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:09,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:09,967 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:09,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:09,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1768293080, now seen corresponding path program 1 times [2023-11-19 07:59:09,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:09,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57479219] [2023-11-19 07:59:09,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:09,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:09,979 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:09,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575436281] [2023-11-19 07:59:09,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:09,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:09,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:10,014 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:10,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:59:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:10,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:59:10,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:10,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:10,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:10,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57479219] [2023-11-19 07:59:10,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:10,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575436281] [2023-11-19 07:59:10,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575436281] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:59:10,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:59:10,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-19 07:59:10,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273274588] [2023-11-19 07:59:10,720 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:10,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:59:10,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:10,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:59:10,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:59:10,723 INFO L87 Difference]: Start difference. First operand 93 states and 92 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:10,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:10,996 INFO L93 Difference]: Finished difference Result 93 states and 92 transitions. [2023-11-19 07:59:10,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:59:10,997 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-19 07:59:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:10,998 INFO L225 Difference]: With dead ends: 93 [2023-11-19 07:59:10,998 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 07:59:10,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:59:10,999 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 47 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:10,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 81 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 07:59:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 07:59:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 86 states have internal predecessors, (86), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 90 transitions. [2023-11-19 07:59:11,007 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 90 transitions. Word has length 49 [2023-11-19 07:59:11,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:11,007 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 90 transitions. [2023-11-19 07:59:11,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 90 transitions. [2023-11-19 07:59:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 07:59:11,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:11,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:11,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:11,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 07:59:11,231 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:11,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:11,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1017489245, now seen corresponding path program 1 times [2023-11-19 07:59:11,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:11,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427402675] [2023-11-19 07:59:11,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:11,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:11,242 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:11,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [982983264] [2023-11-19 07:59:11,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:11,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:11,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:11,244 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:11,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 07:59:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:11,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:59:11,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:11,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:11,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:11,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427402675] [2023-11-19 07:59:11,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:11,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982983264] [2023-11-19 07:59:11,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982983264] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:11,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:11,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-19 07:59:11,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146375864] [2023-11-19 07:59:11,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:11,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:59:11,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:11,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:59:11,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:11,609 INFO L87 Difference]: Start difference. First operand 91 states and 90 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:11,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:11,762 INFO L93 Difference]: Finished difference Result 91 states and 90 transitions. [2023-11-19 07:59:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:11,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2023-11-19 07:59:11,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:11,764 INFO L225 Difference]: With dead ends: 91 [2023-11-19 07:59:11,765 INFO L226 Difference]: Without dead ends: 89 [2023-11-19 07:59:11,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:11,766 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 34 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:11,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 65 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:59:11,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-19 07:59:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-19 07:59:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 84 states have internal predecessors, (84), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 88 transitions. [2023-11-19 07:59:11,776 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 88 transitions. Word has length 50 [2023-11-19 07:59:11,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:11,777 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 88 transitions. [2023-11-19 07:59:11,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 88 transitions. [2023-11-19 07:59:11,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:59:11,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:11,778 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:11,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:12,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:12,002 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:12,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash -556420004, now seen corresponding path program 1 times [2023-11-19 07:59:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:12,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570994693] [2023-11-19 07:59:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:12,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:12,023 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:12,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211816348] [2023-11-19 07:59:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:12,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:12,025 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:12,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 07:59:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:12,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:59:12,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:59:12,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:59:12,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:12,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570994693] [2023-11-19 07:59:12,528 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:12,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211816348] [2023-11-19 07:59:12,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211816348] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:12,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:12,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-19 07:59:12,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952209802] [2023-11-19 07:59:12,529 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:12,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 07:59:12,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:12,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 07:59:12,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:59:12,533 INFO L87 Difference]: Start difference. First operand 89 states and 88 transitions. Second operand has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:59:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:12,807 INFO L93 Difference]: Finished difference Result 89 states and 88 transitions. [2023-11-19 07:59:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:59:12,807 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 60 [2023-11-19 07:59:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:12,808 INFO L225 Difference]: With dead ends: 89 [2023-11-19 07:59:12,808 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 07:59:12,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:59:12,809 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 108 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:12,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 80 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:59:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 07:59:12,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 07:59:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 77 states have (on average 1.077922077922078) internal successors, (83), 83 states have internal predecessors, (83), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 87 transitions. [2023-11-19 07:59:12,818 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 87 transitions. Word has length 60 [2023-11-19 07:59:12,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:12,819 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 87 transitions. [2023-11-19 07:59:12,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:59:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 87 transitions. [2023-11-19 07:59:12,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 07:59:12,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:12,820 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:12,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:13,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:13,042 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:13,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:13,043 INFO L85 PathProgramCache]: Analyzing trace with hash -69150804, now seen corresponding path program 1 times [2023-11-19 07:59:13,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:13,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391360559] [2023-11-19 07:59:13,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:13,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:13,069 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:13,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552995676] [2023-11-19 07:59:13,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:13,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:13,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:13,072 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:13,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 07:59:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:13,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:59:13,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:59:13,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:59:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:59:13,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:13,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391360559] [2023-11-19 07:59:13,490 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:13,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552995676] [2023-11-19 07:59:13,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552995676] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:59:13,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:59:13,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-19 07:59:13,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758311246] [2023-11-19 07:59:13,492 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:59:13,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:59:13,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:13,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:59:13,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:59:13,494 INFO L87 Difference]: Start difference. First operand 88 states and 87 transitions. Second operand has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:59:13,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:13,652 INFO L93 Difference]: Finished difference Result 88 states and 87 transitions. [2023-11-19 07:59:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:59:13,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 61 [2023-11-19 07:59:13,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:13,654 INFO L225 Difference]: With dead ends: 88 [2023-11-19 07:59:13,654 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 07:59:13,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:59:13,655 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 85 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:13,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 66 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:59:13,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 07:59:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 07:59:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.0263157894736843) internal successors, (78), 78 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 82 transitions. [2023-11-19 07:59:13,665 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 82 transitions. Word has length 61 [2023-11-19 07:59:13,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:13,666 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 82 transitions. [2023-11-19 07:59:13,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.857142857142858) internal successors, (104), 8 states have internal predecessors, (104), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:59:13,666 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 82 transitions. [2023-11-19 07:59:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:59:13,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:13,667 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:13,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:13,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:13,883 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2023-11-19 07:59:13,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:13,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1261472868, now seen corresponding path program 1 times [2023-11-19 07:59:13,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:13,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471230161] [2023-11-19 07:59:13,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:13,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:13,900 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:59:13,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111300606] [2023-11-19 07:59:13,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:13,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:13,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:13,904 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:59:13,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-19 07:59:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:13,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:59:13,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:59:14,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:59:14,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:14,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471230161] [2023-11-19 07:59:14,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:59:14,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111300606] [2023-11-19 07:59:14,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111300606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:14,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:14,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:59:14,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855235377] [2023-11-19 07:59:14,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:14,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:59:14,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:14,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:59:14,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:59:14,230 INFO L87 Difference]: Start difference. First operand 83 states and 82 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:16,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 07:59:17,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:17,313 INFO L93 Difference]: Finished difference Result 83 states and 82 transitions. [2023-11-19 07:59:17,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:59:17,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 68 [2023-11-19 07:59:17,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:17,314 INFO L225 Difference]: With dead ends: 83 [2023-11-19 07:59:17,314 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:59:17,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 63 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 07:59:17,315 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 24 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:17,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 56 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 07:59:17,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:59:17,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:59:17,316 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 07:59:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:59:17,316 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2023-11-19 07:59:17,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:17,316 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:17,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:59:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:59:17,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:59:17,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 62 remaining) [2023-11-19 07:59:17,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 62 remaining) [2023-11-19 07:59:17,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 62 remaining) [2023-11-19 07:59:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 62 remaining) [2023-11-19 07:59:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 62 remaining) [2023-11-19 07:59:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 62 remaining) [2023-11-19 07:59:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 62 remaining) [2023-11-19 07:59:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 62 remaining) [2023-11-19 07:59:17,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 62 remaining) [2023-11-19 07:59:17,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 62 remaining) [2023-11-19 07:59:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 62 remaining) [2023-11-19 07:59:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 62 remaining) [2023-11-19 07:59:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 62 remaining) [2023-11-19 07:59:17,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 62 remaining) [2023-11-19 07:59:17,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 62 remaining) [2023-11-19 07:59:17,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 62 remaining) [2023-11-19 07:59:17,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 62 remaining) [2023-11-19 07:59:17,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 62 remaining) [2023-11-19 07:59:17,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 62 remaining) [2023-11-19 07:59:17,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 62 remaining) [2023-11-19 07:59:17,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 62 remaining) [2023-11-19 07:59:17,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 62 remaining) [2023-11-19 07:59:17,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 62 remaining) [2023-11-19 07:59:17,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 62 remaining) [2023-11-19 07:59:17,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 62 remaining) [2023-11-19 07:59:17,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 62 remaining) [2023-11-19 07:59:17,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 62 remaining) [2023-11-19 07:59:17,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 62 remaining) [2023-11-19 07:59:17,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 62 remaining) [2023-11-19 07:59:17,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 62 remaining) [2023-11-19 07:59:17,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 62 remaining) [2023-11-19 07:59:17,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 62 remaining) [2023-11-19 07:59:17,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 62 remaining) [2023-11-19 07:59:17,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 62 remaining) [2023-11-19 07:59:17,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 62 remaining) [2023-11-19 07:59:17,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 62 remaining) [2023-11-19 07:59:17,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 62 remaining) [2023-11-19 07:59:17,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 62 remaining) [2023-11-19 07:59:17,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 62 remaining) [2023-11-19 07:59:17,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 62 remaining) [2023-11-19 07:59:17,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 62 remaining) [2023-11-19 07:59:17,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 62 remaining) [2023-11-19 07:59:17,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 62 remaining) [2023-11-19 07:59:17,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 62 remaining) [2023-11-19 07:59:17,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 62 remaining) [2023-11-19 07:59:17,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 62 remaining) [2023-11-19 07:59:17,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 62 remaining) [2023-11-19 07:59:17,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 62 remaining) [2023-11-19 07:59:17,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 62 remaining) [2023-11-19 07:59:17,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 62 remaining) [2023-11-19 07:59:17,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 62 remaining) [2023-11-19 07:59:17,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 62 remaining) [2023-11-19 07:59:17,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 62 remaining) [2023-11-19 07:59:17,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 62 remaining) [2023-11-19 07:59:17,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 62 remaining) [2023-11-19 07:59:17,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 62 remaining) [2023-11-19 07:59:17,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 62 remaining) [2023-11-19 07:59:17,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 62 remaining) [2023-11-19 07:59:17,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 62 remaining) [2023-11-19 07:59:17,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 62 remaining) [2023-11-19 07:59:17,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 62 remaining) [2023-11-19 07:59:17,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 62 remaining) [2023-11-19 07:59:17,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:17,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:59:17,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:59:17,636 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,636 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,636 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,636 INFO L899 garLoopResultBuilder]: For program point L35-4(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,637 INFO L899 garLoopResultBuilder]: For program point L35-5(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,638 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-11-19 07:59:17,638 INFO L899 garLoopResultBuilder]: For program point L27-2(line 27) no Hoare annotation was computed. [2023-11-19 07:59:17,638 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 36) no Hoare annotation was computed. [2023-11-19 07:59:17,638 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,639 INFO L895 garLoopResultBuilder]: At program point L27-5(lines 27 36) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~k~0#1| 32767))) (or (and .cse0 (= |ULTIMATE.start_main_~x~0#1| 1) (<= 0 |ULTIMATE.start_main_~c~0#1|) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|) (= ~counter~0 1)) (and (= |ULTIMATE.start_main_~c~0#1| 0) .cse0 (= |ULTIMATE.start_main_~y~0#1| 0) (= ~counter~0 0) (= |ULTIMATE.start_main_~x~0#1| 0)))) [2023-11-19 07:59:17,639 INFO L899 garLoopResultBuilder]: For program point L27-6(lines 27 36) no Hoare annotation was computed. [2023-11-19 07:59:17,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,640 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 18 40) no Hoare annotation was computed. [2023-11-19 07:59:17,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-19 07:59:17,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:59:17,641 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,641 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,642 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,642 INFO L899 garLoopResultBuilder]: For program point L28-3(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,642 INFO L899 garLoopResultBuilder]: For program point L28-4(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,642 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,642 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,643 INFO L899 garLoopResultBuilder]: For program point L28-7(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,643 INFO L899 garLoopResultBuilder]: For program point L28-8(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,643 INFO L899 garLoopResultBuilder]: For program point L28-9(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:59:17,643 INFO L899 garLoopResultBuilder]: For program point L28-10(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,643 INFO L899 garLoopResultBuilder]: For program point L28-11(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,644 INFO L899 garLoopResultBuilder]: For program point L28-12(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,644 INFO L899 garLoopResultBuilder]: For program point L28-13(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,644 INFO L899 garLoopResultBuilder]: For program point L28-14(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,644 INFO L899 garLoopResultBuilder]: For program point L28-15(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,644 INFO L899 garLoopResultBuilder]: For program point L28-16(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,644 INFO L899 garLoopResultBuilder]: For program point L28-17(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,645 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,645 INFO L899 garLoopResultBuilder]: For program point L28-18(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,645 INFO L899 garLoopResultBuilder]: For program point L28-19(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,645 INFO L899 garLoopResultBuilder]: For program point L28-20(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,646 INFO L899 garLoopResultBuilder]: For program point L28-21(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,646 INFO L895 garLoopResultBuilder]: At program point L28-22(line 28) the Hoare annotation is: (and (= |ULTIMATE.start_main_~c~0#1| 0) (<= |ULTIMATE.start_main_~k~0#1| 32767) (= |ULTIMATE.start_main_~y~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0)) [2023-11-19 07:59:17,646 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,646 INFO L899 garLoopResultBuilder]: For program point L28-23(lines 27 36) no Hoare annotation was computed. [2023-11-19 07:59:17,646 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,647 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,647 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,647 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,647 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2023-11-19 07:59:17,647 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,648 INFO L895 garLoopResultBuilder]: At program point L37-5(line 37) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~k~0#1| 32767) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= 0 |ULTIMATE.start_main_~c~0#1|) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|)) (and (= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0))) [2023-11-19 07:59:17,648 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:59:17,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,649 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:59:17,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,649 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,649 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,650 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,650 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,650 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,650 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,650 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,650 INFO L899 garLoopResultBuilder]: For program point L38-7(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,651 INFO L899 garLoopResultBuilder]: For program point L38-8(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,651 INFO L899 garLoopResultBuilder]: For program point L38-9(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,651 INFO L899 garLoopResultBuilder]: For program point L38-10(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,651 INFO L899 garLoopResultBuilder]: For program point L38-11(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,651 INFO L899 garLoopResultBuilder]: For program point L38-12(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,651 INFO L899 garLoopResultBuilder]: For program point L38-13(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,652 INFO L899 garLoopResultBuilder]: For program point L38-14(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,652 INFO L899 garLoopResultBuilder]: For program point L38-15(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,653 INFO L899 garLoopResultBuilder]: For program point L38-16(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,653 INFO L899 garLoopResultBuilder]: For program point L38-17(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-19 07:59:17,653 INFO L899 garLoopResultBuilder]: For program point L38-18(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,654 INFO L899 garLoopResultBuilder]: For program point L38-19(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,654 INFO L899 garLoopResultBuilder]: For program point L38-20(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,656 INFO L902 garLoopResultBuilder]: At program point L38-21(line 38) the Hoare annotation is: true [2023-11-19 07:59:17,656 INFO L899 garLoopResultBuilder]: For program point L38-22(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,656 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,659 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-19 07:59:17,659 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,659 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,660 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:59:17,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,661 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,661 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-19 07:59:17,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:59:17,662 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-19 07:59:17,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,663 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-19 07:59:17,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,663 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-19 07:59:17,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-19 07:59:17,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,664 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-19 07:59:17,665 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 07:59:17,665 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,665 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-19 07:59:17,665 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 12) no Hoare annotation was computed. [2023-11-19 07:59:17,665 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2023-11-19 07:59:17,665 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-19 07:59:17,666 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-19 07:59:17,666 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 15) no Hoare annotation was computed. [2023-11-19 07:59:17,666 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-19 07:59:17,669 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:17,673 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:59:17,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:59:17 BoogieIcfgContainer [2023-11-19 07:59:17,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:59:17,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:59:17,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:59:17,692 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:59:17,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:03" (3/4) ... [2023-11-19 07:59:17,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:59:17,700 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 07:59:17,713 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 07:59:17,714 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:59:17,714 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:59:17,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:59:17,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:59:17,853 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:59:17,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:59:17,855 INFO L158 Benchmark]: Toolchain (without parser) took 15801.30ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 124.2MB in the beginning and 93.4MB in the end (delta: 30.8MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2023-11-19 07:59:17,856 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:17,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.76ms. Allocated memory is still 151.0MB. Free memory was 124.2MB in the beginning and 113.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:59:17,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.13ms. Allocated memory is still 151.0MB. Free memory was 113.2MB in the beginning and 111.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:17,858 INFO L158 Benchmark]: Boogie Preprocessor took 48.90ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 110.1MB in the end (delta: 996.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:17,858 INFO L158 Benchmark]: RCFGBuilder took 719.85ms. Allocated memory is still 151.0MB. Free memory was 110.1MB in the beginning and 90.2MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:59:17,859 INFO L158 Benchmark]: TraceAbstraction took 14399.95ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 89.7MB in the beginning and 98.6MB in the end (delta: -8.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-19 07:59:17,860 INFO L158 Benchmark]: Witness Printer took 161.91ms. Allocated memory is still 182.5MB. Free memory was 98.6MB in the beginning and 93.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:59:17,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.76ms. Allocated memory is still 151.0MB. Free memory was 124.2MB in the beginning and 113.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.13ms. Allocated memory is still 151.0MB. Free memory was 113.2MB in the beginning and 111.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.90ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 110.1MB in the end (delta: 996.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 719.85ms. Allocated memory is still 151.0MB. Free memory was 110.1MB in the beginning and 90.2MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14399.95ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 89.7MB in the beginning and 98.6MB in the end (delta: -8.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Witness Printer took 161.91ms. Allocated memory is still 182.5MB. Free memory was 98.6MB in the beginning and 93.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: 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, 142 locations, 62 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1052 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1038 mSDsluCounter, 3237 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1803 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2038 IncrementalHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 1434 mSDtfsCounter, 2038 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 889 GetRequests, 817 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237occurred in iteration=11, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 164 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 81 HoareAnnotationTreeSize, 16 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 35 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 863 ConstructedInterpolants, 0 QuantifiedInterpolants, 4248 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1277 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 21 InterpolantComputations, 12 PerfectInterpolantSequences, 35/67 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 62 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((k <= 32767) && (x == 1)) && (0 <= c)) && (y == 1)) && (1 <= k)) && (counter == 1)) || (((((c == 0) && (k <= 32767)) && (y == 0)) && (counter == 0)) && (x == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:59:17,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29fb8ff8-9e6d-4fbf-a42c-67098935827b/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