./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl --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 a8373cb8fe582bc9cb45d9609c89b33bf31b030c114c7e7fdfee851d52974fb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:06:36,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:06:36,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:06:36,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:06:36,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:06:36,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:06:36,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:06:36,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:06:36,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:06:36,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:06:36,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:06:36,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:06:36,250 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:06:36,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:06:36,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:06:36,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:06:36,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:06:36,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:06:36,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:06:36,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:06:36,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:06:36,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:06:36,257 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:06:36,259 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:06:36,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:06:36,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:06:36,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:06:36,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:06:36,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:06:36,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:06:36,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:36,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:06:36,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:06:36,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:06:36,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:06:36,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:06:36,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:06:36,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:06:36,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:06:36,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:06:36,267 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:06:36,268 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_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8373cb8fe582bc9cb45d9609c89b33bf31b030c114c7e7fdfee851d52974fb9 [2023-11-12 02:06:36,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:06:36,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:06:36,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:06:36,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:06:36,720 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:06:36,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2023-11-12 02:06:39,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:06:40,120 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:06:40,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/sv-benchmarks/c/bitvector/s3_srvr_3a.BV.c.cil.c [2023-11-12 02:06:40,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/data/7f63ac90a/8a2dedda03bc4b1f8db580b4fa3bde9d/FLAG13d5f5757 [2023-11-12 02:06:40,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/data/7f63ac90a/8a2dedda03bc4b1f8db580b4fa3bde9d [2023-11-12 02:06:40,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:06:40,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:06:40,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:06:40,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:06:40,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5092ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40, skipping insertion in model container [2023-11-12 02:06:40,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:06:40,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,555 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:06:40,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:06:40,632 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:06:40,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40 WrapperNode [2023-11-12 02:06:40,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:06:40,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:06:40,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:06:40,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,704 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 673 [2023-11-12 02:06:40,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:06:40,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:06:40,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:06:40,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,720 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:06:40,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:06:40,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:06:40,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:06:40,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (1/1) ... [2023-11-12 02:06:40,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:06:40,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:40,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:06:40,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:06:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:06:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:06:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:06:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:06:40,959 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:06:40,962 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:06:40,985 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:06:41,713 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2023-11-12 02:06:41,714 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2023-11-12 02:06:41,714 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:06:41,723 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:06:41,723 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:06:41,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41 BoogieIcfgContainer [2023-11-12 02:06:41,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:06:41,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:06:41,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:06:41,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:06:41,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:40" (1/3) ... [2023-11-12 02:06:41,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4dbab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40" (2/3) ... [2023-11-12 02:06:41,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4dbab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:41, skipping insertion in model container [2023-11-12 02:06:41,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41" (3/3) ... [2023-11-12 02:06:41,736 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.c [2023-11-12 02:06:41,756 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:06:41,756 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-12 02:06:41,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:06:41,820 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;@157feb12, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:06:41,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 02:06:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 167 states have (on average 1.778443113772455) internal successors, (297), 175 states have internal predecessors, (297), 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) [2023-11-12 02:06:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 02:06:41,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:41,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:41,835 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:41,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:41,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1684140167, now seen corresponding path program 1 times [2023-11-12 02:06:41,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:41,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7854292] [2023-11-12 02:06:41,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:41,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:42,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:42,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7854292] [2023-11-12 02:06:42,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7854292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:42,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:42,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:06:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021957989] [2023-11-12 02:06:42,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:42,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:06:42,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:42,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:06:42,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:06:42,146 INFO L87 Difference]: Start difference. First operand has 176 states, 167 states have (on average 1.778443113772455) internal successors, (297), 175 states have internal predecessors, (297), 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) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2023-11-12 02:06:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:42,211 INFO L93 Difference]: Finished difference Result 325 states and 552 transitions. [2023-11-12 02:06:42,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:06:42,216 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2023-11-12 02:06:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:42,234 INFO L225 Difference]: With dead ends: 325 [2023-11-12 02:06:42,234 INFO L226 Difference]: Without dead ends: 142 [2023-11-12 02:06:42,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:06:42,244 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:42,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:42,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-12 02:06:42,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-12 02:06:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 138 states have (on average 1.6231884057971016) internal successors, (224), 141 states have internal predecessors, (224), 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) [2023-11-12 02:06:42,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 224 transitions. [2023-11-12 02:06:42,316 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 224 transitions. Word has length 18 [2023-11-12 02:06:42,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:42,317 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 224 transitions. [2023-11-12 02:06:42,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2023-11-12 02:06:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 224 transitions. [2023-11-12 02:06:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-12 02:06:42,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:42,321 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] [2023-11-12 02:06:42,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:06:42,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:42,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:42,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1953293640, now seen corresponding path program 1 times [2023-11-12 02:06:42,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:42,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550093751] [2023-11-12 02:06:42,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:42,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:42,403 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:42,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237346374] [2023-11-12 02:06:42,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:42,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:42,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:42,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:42,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:06:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:42,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:42,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:42,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:42,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:42,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550093751] [2023-11-12 02:06:42,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:42,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237346374] [2023-11-12 02:06:42,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237346374] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:42,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:42,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:42,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458567400] [2023-11-12 02:06:42,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:42,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:42,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:42,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:42,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:42,741 INFO L87 Difference]: Start difference. First operand 142 states and 224 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-12 02:06:42,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:42,815 INFO L93 Difference]: Finished difference Result 394 states and 624 transitions. [2023-11-12 02:06:42,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:42,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2023-11-12 02:06:42,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:42,822 INFO L225 Difference]: With dead ends: 394 [2023-11-12 02:06:42,822 INFO L226 Difference]: Without dead ends: 264 [2023-11-12 02:06:42,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:42,829 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 173 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:42,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 411 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:42,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-12 02:06:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2023-11-12 02:06:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 260 states have (on average 1.603846153846154) internal successors, (417), 263 states have internal predecessors, (417), 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) [2023-11-12 02:06:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 417 transitions. [2023-11-12 02:06:42,874 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 417 transitions. Word has length 41 [2023-11-12 02:06:42,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:42,875 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 417 transitions. [2023-11-12 02:06:42,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-12 02:06:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 417 transitions. [2023-11-12 02:06:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-12 02:06:42,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:42,886 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:42,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:43,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-12 02:06:43,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:43,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:43,103 INFO L85 PathProgramCache]: Analyzing trace with hash -12516417, now seen corresponding path program 1 times [2023-11-12 02:06:43,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:43,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605596568] [2023-11-12 02:06:43,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:43,154 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:43,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523424227] [2023-11-12 02:06:43,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:43,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:43,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:43,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:06:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:43,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:43,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:06:43,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:43,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:43,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605596568] [2023-11-12 02:06:43,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:43,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523424227] [2023-11-12 02:06:43,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523424227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:43,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:43,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:43,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481717662] [2023-11-12 02:06:43,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:43,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:43,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:43,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:43,376 INFO L87 Difference]: Start difference. First operand 264 states and 417 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-12 02:06:43,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:43,421 INFO L93 Difference]: Finished difference Result 516 states and 817 transitions. [2023-11-12 02:06:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:43,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2023-11-12 02:06:43,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:43,426 INFO L225 Difference]: With dead ends: 516 [2023-11-12 02:06:43,426 INFO L226 Difference]: Without dead ends: 386 [2023-11-12 02:06:43,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:43,428 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 175 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:43,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 409 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:43,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2023-11-12 02:06:43,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2023-11-12 02:06:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 385 states have internal predecessors, (611), 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) [2023-11-12 02:06:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 611 transitions. [2023-11-12 02:06:43,446 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 611 transitions. Word has length 57 [2023-11-12 02:06:43,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:43,447 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 611 transitions. [2023-11-12 02:06:43,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-12 02:06:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 611 transitions. [2023-11-12 02:06:43,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-12 02:06:43,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:43,451 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-12 02:06:43,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:43,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:43,658 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:43,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:43,658 INFO L85 PathProgramCache]: Analyzing trace with hash -371470390, now seen corresponding path program 1 times [2023-11-12 02:06:43,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:43,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927386421] [2023-11-12 02:06:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:43,707 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:43,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670241837] [2023-11-12 02:06:43,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:43,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:43,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:43,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:43,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:06:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:43,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:43,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 02:06:43,927 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:43,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:43,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927386421] [2023-11-12 02:06:43,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:43,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670241837] [2023-11-12 02:06:43,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670241837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:43,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:43,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:43,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871287268] [2023-11-12 02:06:43,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:43,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:43,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:43,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:43,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:43,931 INFO L87 Difference]: Start difference. First operand 386 states and 611 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-12 02:06:43,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:43,979 INFO L93 Difference]: Finished difference Result 760 states and 1205 transitions. [2023-11-12 02:06:43,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:43,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 78 [2023-11-12 02:06:43,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:43,984 INFO L225 Difference]: With dead ends: 760 [2023-11-12 02:06:43,984 INFO L226 Difference]: Without dead ends: 508 [2023-11-12 02:06:43,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:43,986 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 173 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:43,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 408 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:43,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-11-12 02:06:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2023-11-12 02:06:44,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 504 states have (on average 1.5992063492063493) internal successors, (806), 507 states have internal predecessors, (806), 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) [2023-11-12 02:06:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 806 transitions. [2023-11-12 02:06:44,004 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 806 transitions. Word has length 78 [2023-11-12 02:06:44,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:44,007 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 806 transitions. [2023-11-12 02:06:44,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-12 02:06:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 806 transitions. [2023-11-12 02:06:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:06:44,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:44,013 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:44,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:44,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:44,220 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:44,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1219690999, now seen corresponding path program 1 times [2023-11-12 02:06:44,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:44,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880098346] [2023-11-12 02:06:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:44,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:44,254 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:44,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780786047] [2023-11-12 02:06:44,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:44,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:44,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:44,269 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:06:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:44,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:44,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:44,482 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-12 02:06:44,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:44,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:44,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880098346] [2023-11-12 02:06:44,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:44,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780786047] [2023-11-12 02:06:44,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780786047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:44,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:44,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:44,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206193158] [2023-11-12 02:06:44,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:44,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:44,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:44,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:44,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:44,486 INFO L87 Difference]: Start difference. First operand 508 states and 806 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2023-11-12 02:06:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:44,755 INFO L93 Difference]: Finished difference Result 1176 states and 1896 transitions. [2023-11-12 02:06:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:44,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 118 [2023-11-12 02:06:44,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:44,761 INFO L225 Difference]: With dead ends: 1176 [2023-11-12 02:06:44,762 INFO L226 Difference]: Without dead ends: 680 [2023-11-12 02:06:44,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:44,764 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 16 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:44,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 361 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:44,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2023-11-12 02:06:44,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 672. [2023-11-12 02:06:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 668 states have (on average 1.4820359281437125) internal successors, (990), 671 states have internal predecessors, (990), 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) [2023-11-12 02:06:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 990 transitions. [2023-11-12 02:06:44,814 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 990 transitions. Word has length 118 [2023-11-12 02:06:44,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:44,815 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 990 transitions. [2023-11-12 02:06:44,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2023-11-12 02:06:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 990 transitions. [2023-11-12 02:06:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-12 02:06:44,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:44,819 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:44,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:45,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:45,026 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:45,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:45,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1563842761, now seen corresponding path program 1 times [2023-11-12 02:06:45,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:45,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405594257] [2023-11-12 02:06:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:45,071 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:45,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567002878] [2023-11-12 02:06:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:45,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,073 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:06:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:45,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:45,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:06:45,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:45,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:45,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405594257] [2023-11-12 02:06:45,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:45,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567002878] [2023-11-12 02:06:45,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567002878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:45,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:45,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:45,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502607184] [2023-11-12 02:06:45,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:45,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:45,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:45,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:45,292 INFO L87 Difference]: Start difference. First operand 672 states and 990 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-11-12 02:06:45,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:45,549 INFO L93 Difference]: Finished difference Result 1508 states and 2268 transitions. [2023-11-12 02:06:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:45,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 160 [2023-11-12 02:06:45,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:45,556 INFO L225 Difference]: With dead ends: 1508 [2023-11-12 02:06:45,556 INFO L226 Difference]: Without dead ends: 800 [2023-11-12 02:06:45,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:45,558 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 19 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:45,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 346 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:45,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2023-11-12 02:06:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2023-11-12 02:06:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 796 states have (on average 1.42964824120603) internal successors, (1138), 799 states have internal predecessors, (1138), 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) [2023-11-12 02:06:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1138 transitions. [2023-11-12 02:06:45,583 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1138 transitions. Word has length 160 [2023-11-12 02:06:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:45,584 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1138 transitions. [2023-11-12 02:06:45,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-11-12 02:06:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1138 transitions. [2023-11-12 02:06:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-12 02:06:45,588 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:45,588 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:45,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-12 02:06:45,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:45,793 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:45,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:45,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1912956498, now seen corresponding path program 1 times [2023-11-12 02:06:45,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:45,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907951975] [2023-11-12 02:06:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:45,876 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:45,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46861232] [2023-11-12 02:06:45,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:45,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:45,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:45,882 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:45,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:06:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:06:46,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-12 02:06:46,205 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:46,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:46,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907951975] [2023-11-12 02:06:46,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:46,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46861232] [2023-11-12 02:06:46,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46861232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:46,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:46,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:46,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946823094] [2023-11-12 02:06:46,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:46,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:06:46,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:46,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:06:46,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:46,210 INFO L87 Difference]: Start difference. First operand 800 states and 1138 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2023-11-12 02:06:46,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:46,545 INFO L93 Difference]: Finished difference Result 2131 states and 2987 transitions. [2023-11-12 02:06:46,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:06:46,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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 188 [2023-11-12 02:06:46,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:46,554 INFO L225 Difference]: With dead ends: 2131 [2023-11-12 02:06:46,555 INFO L226 Difference]: Without dead ends: 1343 [2023-11-12 02:06:46,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:46,557 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 83 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:46,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 636 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:06:46,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2023-11-12 02:06:46,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1124. [2023-11-12 02:06:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1120 states have (on average 1.3589285714285715) internal successors, (1522), 1123 states have internal predecessors, (1522), 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) [2023-11-12 02:06:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1522 transitions. [2023-11-12 02:06:46,598 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1522 transitions. Word has length 188 [2023-11-12 02:06:46,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:46,599 INFO L495 AbstractCegarLoop]: Abstraction has 1124 states and 1522 transitions. [2023-11-12 02:06:46,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2023-11-12 02:06:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1522 transitions. [2023-11-12 02:06:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-12 02:06:46,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:46,604 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:46,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:46,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:46,806 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:46,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:46,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1180989072, now seen corresponding path program 1 times [2023-11-12 02:06:46,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:46,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978446251] [2023-11-12 02:06:46,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:46,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:46,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978446251] [2023-11-12 02:06:46,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:46,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547017125] [2023-11-12 02:06:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:46,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:46,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:46,928 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:46,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 02:06:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:06:47,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-12 02:06:47,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:47,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547017125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:47,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:47,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:47,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657592444] [2023-11-12 02:06:47,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:47,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:47,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:47,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:47,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:47,194 INFO L87 Difference]: Start difference. First operand 1124 states and 1522 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-12 02:06:47,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:47,247 INFO L93 Difference]: Finished difference Result 3008 states and 4126 transitions. [2023-11-12 02:06:47,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:47,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 188 [2023-11-12 02:06:47,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:47,257 INFO L225 Difference]: With dead ends: 3008 [2023-11-12 02:06:47,257 INFO L226 Difference]: Without dead ends: 1630 [2023-11-12 02:06:47,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:47,261 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 151 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:47,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 627 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:06:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2023-11-12 02:06:47,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1626. [2023-11-12 02:06:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1622 states have (on average 1.4155363748458694) internal successors, (2296), 1625 states have internal predecessors, (2296), 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) [2023-11-12 02:06:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2296 transitions. [2023-11-12 02:06:47,328 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2296 transitions. Word has length 188 [2023-11-12 02:06:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:47,329 INFO L495 AbstractCegarLoop]: Abstraction has 1626 states and 2296 transitions. [2023-11-12 02:06:47,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-12 02:06:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2296 transitions. [2023-11-12 02:06:47,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-12 02:06:47,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:47,334 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:47,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:47,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:47,541 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:47,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:47,542 INFO L85 PathProgramCache]: Analyzing trace with hash 916341582, now seen corresponding path program 1 times [2023-11-12 02:06:47,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:47,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909232177] [2023-11-12 02:06:47,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:47,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:47,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909232177] [2023-11-12 02:06:47,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:47,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827064193] [2023-11-12 02:06:47,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:47,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:47,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:47,653 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:47,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 02:06:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:47,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:06:47,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-12 02:06:47,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:47,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827064193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:47,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:47,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:47,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39904826] [2023-11-12 02:06:47,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:47,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:47,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:47,835 INFO L87 Difference]: Start difference. First operand 1626 states and 2296 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2023-11-12 02:06:47,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:47,991 INFO L93 Difference]: Finished difference Result 3372 states and 4784 transitions. [2023-11-12 02:06:47,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:47,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 188 [2023-11-12 02:06:47,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:48,001 INFO L225 Difference]: With dead ends: 3372 [2023-11-12 02:06:48,002 INFO L226 Difference]: Without dead ends: 1758 [2023-11-12 02:06:48,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:48,006 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 16 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:48,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 365 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:48,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2023-11-12 02:06:48,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1718. [2023-11-12 02:06:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1714 states have (on average 1.4049008168028005) internal successors, (2408), 1717 states have internal predecessors, (2408), 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) [2023-11-12 02:06:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2408 transitions. [2023-11-12 02:06:48,054 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2408 transitions. Word has length 188 [2023-11-12 02:06:48,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:48,055 INFO L495 AbstractCegarLoop]: Abstraction has 1718 states and 2408 transitions. [2023-11-12 02:06:48,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2023-11-12 02:06:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2408 transitions. [2023-11-12 02:06:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-12 02:06:48,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:48,061 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:48,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:48,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-12 02:06:48,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:48,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:48,268 INFO L85 PathProgramCache]: Analyzing trace with hash -827890074, now seen corresponding path program 1 times [2023-11-12 02:06:48,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:48,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030946415] [2023-11-12 02:06:48,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:48,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:48,305 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:48,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [944987642] [2023-11-12 02:06:48,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:48,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:48,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:48,307 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:48,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 02:06:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:48,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:06:48,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-12 02:06:48,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:48,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:48,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030946415] [2023-11-12 02:06:48,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:48,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944987642] [2023-11-12 02:06:48,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944987642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:48,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:48,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:48,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314543643] [2023-11-12 02:06:48,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:48,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:06:48,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:48,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:06:48,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:48,566 INFO L87 Difference]: Start difference. First operand 1718 states and 2408 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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) [2023-11-12 02:06:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:48,814 INFO L93 Difference]: Finished difference Result 1844 states and 2550 transitions. [2023-11-12 02:06:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:06:48,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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 189 [2023-11-12 02:06:48,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:48,825 INFO L225 Difference]: With dead ends: 1844 [2023-11-12 02:06:48,825 INFO L226 Difference]: Without dead ends: 1843 [2023-11-12 02:06:48,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:48,826 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 52 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:48,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 652 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:48,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-12 02:06:48,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1722. [2023-11-12 02:06:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1718 states have (on average 1.4045401629802095) internal successors, (2413), 1721 states have internal predecessors, (2413), 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) [2023-11-12 02:06:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2413 transitions. [2023-11-12 02:06:48,876 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2413 transitions. Word has length 189 [2023-11-12 02:06:48,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:48,876 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2413 transitions. [2023-11-12 02:06:48,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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) [2023-11-12 02:06:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2413 transitions. [2023-11-12 02:06:48,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-12 02:06:48,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:48,882 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:48,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:49,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-12 02:06:49,096 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:49,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:49,097 INFO L85 PathProgramCache]: Analyzing trace with hash -191329484, now seen corresponding path program 1 times [2023-11-12 02:06:49,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:49,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269361493] [2023-11-12 02:06:49,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:49,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:49,133 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:49,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2065196681] [2023-11-12 02:06:49,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:49,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:49,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:49,135 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:49,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 02:06:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:49,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:06:49,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:49,390 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:06:49,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-12 02:06:49,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:49,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269361493] [2023-11-12 02:06:49,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:49,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065196681] [2023-11-12 02:06:49,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065196681] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:49,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:06:49,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2023-11-12 02:06:49,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788252420] [2023-11-12 02:06:49,488 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:49,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:06:49,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:49,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:06:49,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:49,490 INFO L87 Difference]: Start difference. First operand 1722 states and 2413 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2023-11-12 02:06:49,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:49,890 INFO L93 Difference]: Finished difference Result 5299 states and 7621 transitions. [2023-11-12 02:06:49,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:06:49,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 190 [2023-11-12 02:06:49,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:49,914 INFO L225 Difference]: With dead ends: 5299 [2023-11-12 02:06:49,915 INFO L226 Difference]: Without dead ends: 3357 [2023-11-12 02:06:49,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 375 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:06:49,919 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 395 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:49,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 477 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:06:49,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2023-11-12 02:06:50,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 2988. [2023-11-12 02:06:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2984 states have (on average 1.5040214477211795) internal successors, (4488), 2987 states have internal predecessors, (4488), 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) [2023-11-12 02:06:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 4488 transitions. [2023-11-12 02:06:50,035 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 4488 transitions. Word has length 190 [2023-11-12 02:06:50,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:50,036 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 4488 transitions. [2023-11-12 02:06:50,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2023-11-12 02:06:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 4488 transitions. [2023-11-12 02:06:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-12 02:06:50,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:50,044 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:50,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:50,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-12 02:06:50,250 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:50,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:50,251 INFO L85 PathProgramCache]: Analyzing trace with hash 105212116, now seen corresponding path program 1 times [2023-11-12 02:06:50,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:50,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488495621] [2023-11-12 02:06:50,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:50,283 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:50,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [234557056] [2023-11-12 02:06:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:50,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:50,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:50,285 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:50,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-12 02:06:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:50,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:06:50,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-12 02:06:50,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:50,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488495621] [2023-11-12 02:06:50,725 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:50,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234557056] [2023-11-12 02:06:50,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234557056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:50,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:50,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:50,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853199088] [2023-11-12 02:06:50,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:50,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:06:50,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:50,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:06:50,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:50,728 INFO L87 Difference]: Start difference. First operand 2988 states and 4488 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2023-11-12 02:06:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:51,159 INFO L93 Difference]: Finished difference Result 5068 states and 7490 transitions. [2023-11-12 02:06:51,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:06:51,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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 190 [2023-11-12 02:06:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:51,185 INFO L225 Difference]: With dead ends: 5068 [2023-11-12 02:06:51,185 INFO L226 Difference]: Without dead ends: 3619 [2023-11-12 02:06:51,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:06:51,189 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 182 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:51,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 840 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:06:51,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3619 states. [2023-11-12 02:06:51,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3619 to 3424. [2023-11-12 02:06:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3424 states, 3421 states have (on average 1.5013154048523822) internal successors, (5136), 3423 states have internal predecessors, (5136), 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) [2023-11-12 02:06:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 5136 transitions. [2023-11-12 02:06:51,320 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 5136 transitions. Word has length 190 [2023-11-12 02:06:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:51,321 INFO L495 AbstractCegarLoop]: Abstraction has 3424 states and 5136 transitions. [2023-11-12 02:06:51,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2023-11-12 02:06:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 5136 transitions. [2023-11-12 02:06:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-12 02:06:51,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:51,330 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:51,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:51,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-12 02:06:51,536 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:51,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:51,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1033391064, now seen corresponding path program 1 times [2023-11-12 02:06:51,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:51,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304458167] [2023-11-12 02:06:51,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:51,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:51,571 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1633708445] [2023-11-12 02:06:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:51,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:51,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:51,577 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:51,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-12 02:06:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:51,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:06:51,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-12 02:06:52,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:52,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:52,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304458167] [2023-11-12 02:06:52,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:52,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633708445] [2023-11-12 02:06:52,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633708445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:52,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:52,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:06:52,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685987371] [2023-11-12 02:06:52,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:52,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:06:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:52,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:06:52,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:06:52,094 INFO L87 Difference]: Start difference. First operand 3424 states and 5136 transitions. Second operand has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 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) [2023-11-12 02:06:52,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:52,231 INFO L93 Difference]: Finished difference Result 3556 states and 5286 transitions. [2023-11-12 02:06:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:06:52,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 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 191 [2023-11-12 02:06:52,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:52,251 INFO L225 Difference]: With dead ends: 3556 [2023-11-12 02:06:52,251 INFO L226 Difference]: Without dead ends: 3555 [2023-11-12 02:06:52,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:06:52,253 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 192 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:52,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 664 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:52,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2023-11-12 02:06:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 3555. [2023-11-12 02:06:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 3552 states have (on average 1.4878941441441442) internal successors, (5285), 3554 states have internal predecessors, (5285), 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) [2023-11-12 02:06:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 5285 transitions. [2023-11-12 02:06:52,376 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 5285 transitions. Word has length 191 [2023-11-12 02:06:52,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:52,377 INFO L495 AbstractCegarLoop]: Abstraction has 3555 states and 5285 transitions. [2023-11-12 02:06:52,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 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) [2023-11-12 02:06:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 5285 transitions. [2023-11-12 02:06:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-12 02:06:52,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:52,387 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-12 02:06:52,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:52,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-12 02:06:52,593 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:52,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:52,594 INFO L85 PathProgramCache]: Analyzing trace with hash -841643600, now seen corresponding path program 1 times [2023-11-12 02:06:52,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:52,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489528461] [2023-11-12 02:06:52,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:52,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:52,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489528461] [2023-11-12 02:06:52,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:52,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340897237] [2023-11-12 02:06:52,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:52,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:52,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:52,649 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:52,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-12 02:06:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:52,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:52,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-11-12 02:06:52,838 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:52,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340897237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:52,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:52,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:52,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768481673] [2023-11-12 02:06:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:52,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:52,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:52,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:52,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:52,841 INFO L87 Difference]: Start difference. First operand 3555 states and 5285 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-12 02:06:53,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:53,055 INFO L93 Difference]: Finished difference Result 7954 states and 12042 transitions. [2023-11-12 02:06:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:53,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 237 [2023-11-12 02:06:53,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:53,084 INFO L225 Difference]: With dead ends: 7954 [2023-11-12 02:06:53,084 INFO L226 Difference]: Without dead ends: 4411 [2023-11-12 02:06:53,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:53,089 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 107 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:53,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 279 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4411 states. [2023-11-12 02:06:53,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4411 to 4237. [2023-11-12 02:06:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4237 states, 4234 states have (on average 1.4404818138875768) internal successors, (6099), 4236 states have internal predecessors, (6099), 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) [2023-11-12 02:06:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 6099 transitions. [2023-11-12 02:06:53,201 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 6099 transitions. Word has length 237 [2023-11-12 02:06:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:53,201 INFO L495 AbstractCegarLoop]: Abstraction has 4237 states and 6099 transitions. [2023-11-12 02:06:53,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-12 02:06:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 6099 transitions. [2023-11-12 02:06:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-12 02:06:53,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:53,212 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-12 02:06:53,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:53,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-12 02:06:53,419 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:53,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:53,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1359281675, now seen corresponding path program 1 times [2023-11-12 02:06:53,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:53,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611861883] [2023-11-12 02:06:53,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:53,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:53,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611861883] [2023-11-12 02:06:53,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:53,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401276898] [2023-11-12 02:06:53,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:53,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:53,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:53,524 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:53,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-12 02:06:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:53,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:53,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-11-12 02:06:53,716 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:53,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401276898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:53,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:53,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:53,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165464702] [2023-11-12 02:06:53,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:53,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:53,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:53,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:53,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:53,719 INFO L87 Difference]: Start difference. First operand 4237 states and 6099 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-12 02:06:53,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:53,938 INFO L93 Difference]: Finished difference Result 9732 states and 14228 transitions. [2023-11-12 02:06:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:53,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 247 [2023-11-12 02:06:53,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:53,962 INFO L225 Difference]: With dead ends: 9732 [2023-11-12 02:06:53,962 INFO L226 Difference]: Without dead ends: 5299 [2023-11-12 02:06:53,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:53,975 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 101 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:53,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 271 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:53,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2023-11-12 02:06:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 4851. [2023-11-12 02:06:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4851 states, 4848 states have (on average 1.4267739273927393) internal successors, (6917), 4850 states have internal predecessors, (6917), 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) [2023-11-12 02:06:54,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 6917 transitions. [2023-11-12 02:06:54,118 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 6917 transitions. Word has length 247 [2023-11-12 02:06:54,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:54,118 INFO L495 AbstractCegarLoop]: Abstraction has 4851 states and 6917 transitions. [2023-11-12 02:06:54,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-12 02:06:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 6917 transitions. [2023-11-12 02:06:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-12 02:06:54,130 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:54,130 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:54,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:54,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-12 02:06:54,337 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:54,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:54,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1840873327, now seen corresponding path program 1 times [2023-11-12 02:06:54,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:54,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649394086] [2023-11-12 02:06:54,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:54,363 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:54,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978416683] [2023-11-12 02:06:54,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:54,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:54,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:54,365 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:54,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-12 02:06:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:54,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:54,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-12 02:06:54,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:54,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:54,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649394086] [2023-11-12 02:06:54,633 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:54,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978416683] [2023-11-12 02:06:54,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978416683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:54,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:54,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:54,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400974557] [2023-11-12 02:06:54,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:54,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:54,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:54,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:54,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:54,636 INFO L87 Difference]: Start difference. First operand 4851 states and 6917 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-11-12 02:06:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:54,843 INFO L93 Difference]: Finished difference Result 10098 states and 14282 transitions. [2023-11-12 02:06:54,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:54,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 261 [2023-11-12 02:06:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:54,858 INFO L225 Difference]: With dead ends: 10098 [2023-11-12 02:06:54,858 INFO L226 Difference]: Without dead ends: 3086 [2023-11-12 02:06:54,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:54,866 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 9 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:54,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 363 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:54,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3086 states. [2023-11-12 02:06:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3086 to 3081. [2023-11-12 02:06:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3081 states, 3078 states have (on average 1.4142300194931774) internal successors, (4353), 3080 states have internal predecessors, (4353), 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) [2023-11-12 02:06:54,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 3081 states and 4353 transitions. [2023-11-12 02:06:54,931 INFO L78 Accepts]: Start accepts. Automaton has 3081 states and 4353 transitions. Word has length 261 [2023-11-12 02:06:54,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:54,931 INFO L495 AbstractCegarLoop]: Abstraction has 3081 states and 4353 transitions. [2023-11-12 02:06:54,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-11-12 02:06:54,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 4353 transitions. [2023-11-12 02:06:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-12 02:06:54,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:54,939 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-12 02:06:54,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:55,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-12 02:06:55,146 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:55,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:55,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1679111862, now seen corresponding path program 1 times [2023-11-12 02:06:55,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:55,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63826169] [2023-11-12 02:06:55,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:55,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:55,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:55,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63826169] [2023-11-12 02:06:55,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:55,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53223477] [2023-11-12 02:06:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:55,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:55,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:55,205 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:55,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-12 02:06:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:55,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:55,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-12 02:06:55,408 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:55,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53223477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:55,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:55,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:55,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551366794] [2023-11-12 02:06:55,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:55,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:55,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:55,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:55,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:55,411 INFO L87 Difference]: Start difference. First operand 3081 states and 4353 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-11-12 02:06:55,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:55,616 INFO L93 Difference]: Finished difference Result 6653 states and 9469 transitions. [2023-11-12 02:06:55,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:55,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 274 [2023-11-12 02:06:55,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:55,626 INFO L225 Difference]: With dead ends: 6653 [2023-11-12 02:06:55,626 INFO L226 Difference]: Without dead ends: 3475 [2023-11-12 02:06:55,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:55,631 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 121 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:55,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 227 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:55,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2023-11-12 02:06:55,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 3351. [2023-11-12 02:06:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3351 states, 3348 states have (on average 1.401732377538829) internal successors, (4693), 3350 states have internal predecessors, (4693), 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) [2023-11-12 02:06:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 3351 states and 4693 transitions. [2023-11-12 02:06:55,725 INFO L78 Accepts]: Start accepts. Automaton has 3351 states and 4693 transitions. Word has length 274 [2023-11-12 02:06:55,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:55,726 INFO L495 AbstractCegarLoop]: Abstraction has 3351 states and 4693 transitions. [2023-11-12 02:06:55,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-11-12 02:06:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 3351 states and 4693 transitions. [2023-11-12 02:06:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-11-12 02:06:55,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:55,738 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-12 02:06:55,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:55,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-12 02:06:55,945 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:55,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:55,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1195680697, now seen corresponding path program 1 times [2023-11-12 02:06:55,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:55,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803525423] [2023-11-12 02:06:55,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:55,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:56,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803525423] [2023-11-12 02:06:56,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:56,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057922913] [2023-11-12 02:06:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:56,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,016 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-12 02:06:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:56,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-12 02:06:56,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:56,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057922913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:56,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:56,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:56,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334664857] [2023-11-12 02:06:56,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:56,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:56,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:56,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:56,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:56,232 INFO L87 Difference]: Start difference. First operand 3351 states and 4693 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-11-12 02:06:56,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:56,424 INFO L93 Difference]: Finished difference Result 6923 states and 9693 transitions. [2023-11-12 02:06:56,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:56,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 297 [2023-11-12 02:06:56,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:56,432 INFO L225 Difference]: With dead ends: 6923 [2023-11-12 02:06:56,433 INFO L226 Difference]: Without dead ends: 3495 [2023-11-12 02:06:56,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:56,437 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 122 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:56,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 214 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:06:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3495 states. [2023-11-12 02:06:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3495 to 3042. [2023-11-12 02:06:56,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 3039 states have (on average 1.3896018427114183) internal successors, (4223), 3041 states have internal predecessors, (4223), 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) [2023-11-12 02:06:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 4223 transitions. [2023-11-12 02:06:56,500 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 4223 transitions. Word has length 297 [2023-11-12 02:06:56,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:56,501 INFO L495 AbstractCegarLoop]: Abstraction has 3042 states and 4223 transitions. [2023-11-12 02:06:56,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-11-12 02:06:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 4223 transitions. [2023-11-12 02:06:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-11-12 02:06:56,509 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:56,509 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:56,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:56,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-12 02:06:56,716 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:56,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:56,717 INFO L85 PathProgramCache]: Analyzing trace with hash -910916788, now seen corresponding path program 1 times [2023-11-12 02:06:56,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:56,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991178483] [2023-11-12 02:06:56,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:56,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:56,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991178483] [2023-11-12 02:06:56,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:56,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019516138] [2023-11-12 02:06:56,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:56,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:56,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:56,785 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:56,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-12 02:06:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:56,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:06:56,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 753 proven. 26 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-12 02:06:57,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:06:57,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 753 proven. 26 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-12 02:06:57,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019516138] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:06:57,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:06:57,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-11-12 02:06:57,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68638355] [2023-11-12 02:06:57,222 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:06:57,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:06:57,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:57,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:06:57,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:06:57,225 INFO L87 Difference]: Start difference. First operand 3042 states and 4223 transitions. Second operand has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 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) [2023-11-12 02:06:57,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:57,775 INFO L93 Difference]: Finished difference Result 7063 states and 9811 transitions. [2023-11-12 02:06:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:06:57,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 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 330 [2023-11-12 02:06:57,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:57,784 INFO L225 Difference]: With dead ends: 7063 [2023-11-12 02:06:57,784 INFO L226 Difference]: Without dead ends: 3984 [2023-11-12 02:06:57,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:06:57,790 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 511 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:57,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 712 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:06:57,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3984 states. [2023-11-12 02:06:57,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3984 to 3382. [2023-11-12 02:06:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 3379 states have (on average 1.393015685113939) internal successors, (4707), 3381 states have internal predecessors, (4707), 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) [2023-11-12 02:06:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 4707 transitions. [2023-11-12 02:06:57,866 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 4707 transitions. Word has length 330 [2023-11-12 02:06:57,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:57,867 INFO L495 AbstractCegarLoop]: Abstraction has 3382 states and 4707 transitions. [2023-11-12 02:06:57,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 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) [2023-11-12 02:06:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 4707 transitions. [2023-11-12 02:06:57,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-12 02:06:57,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:57,878 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:57,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:58,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:58,090 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:58,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1125867126, now seen corresponding path program 1 times [2023-11-12 02:06:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917642634] [2023-11-12 02:06:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:58,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:58,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917642634] [2023-11-12 02:06:58,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:58,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218438645] [2023-11-12 02:06:58,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:58,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:58,166 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:58,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-12 02:06:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:58,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:06:58,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:58,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 1111 proven. 0 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-11-12 02:06:58,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:58,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218438645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:58,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:58,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:58,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855337078] [2023-11-12 02:06:58,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:58,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:58,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:58,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:58,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:58,439 INFO L87 Difference]: Start difference. First operand 3382 states and 4707 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2023-11-12 02:06:58,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:58,615 INFO L93 Difference]: Finished difference Result 7076 states and 9844 transitions. [2023-11-12 02:06:58,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:58,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 415 [2023-11-12 02:06:58,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:58,623 INFO L225 Difference]: With dead ends: 7076 [2023-11-12 02:06:58,624 INFO L226 Difference]: Without dead ends: 3706 [2023-11-12 02:06:58,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:58,631 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 10 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:58,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 360 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:58,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2023-11-12 02:06:58,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3688. [2023-11-12 02:06:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 3685 states have (on average 1.3725915875169608) internal successors, (5058), 3687 states have internal predecessors, (5058), 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) [2023-11-12 02:06:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 5058 transitions. [2023-11-12 02:06:58,711 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 5058 transitions. Word has length 415 [2023-11-12 02:06:58,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:58,711 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 5058 transitions. [2023-11-12 02:06:58,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2023-11-12 02:06:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5058 transitions. [2023-11-12 02:06:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2023-11-12 02:06:58,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:58,719 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:58,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:58,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:58,927 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:58,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:58,927 INFO L85 PathProgramCache]: Analyzing trace with hash -264599656, now seen corresponding path program 1 times [2023-11-12 02:06:58,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:58,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198358722] [2023-11-12 02:06:58,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:58,970 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:06:58,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1268024495] [2023-11-12 02:06:58,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:58,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:58,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:58,977 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:59,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-12 02:06:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:59,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:06:59,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:06:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 1836 trivial. 0 not checked. [2023-11-12 02:06:59,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:06:59,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198358722] [2023-11-12 02:06:59,268 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:06:59,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268024495] [2023-11-12 02:06:59,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268024495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:06:59,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:06:59,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:06:59,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949594222] [2023-11-12 02:06:59,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:06:59,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:06:59,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:06:59,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:06:59,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:59,271 INFO L87 Difference]: Start difference. First operand 3688 states and 5058 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2023-11-12 02:06:59,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:06:59,456 INFO L93 Difference]: Finished difference Result 6705 states and 9189 transitions. [2023-11-12 02:06:59,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:06:59,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 446 [2023-11-12 02:06:59,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:06:59,463 INFO L225 Difference]: With dead ends: 6705 [2023-11-12 02:06:59,464 INFO L226 Difference]: Without dead ends: 2989 [2023-11-12 02:06:59,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:06:59,469 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 22 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:06:59,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 353 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:06:59,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2023-11-12 02:06:59,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 2891. [2023-11-12 02:06:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2891 states, 2888 states have (on average 1.3386426592797784) internal successors, (3866), 2890 states have internal predecessors, (3866), 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) [2023-11-12 02:06:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 3866 transitions. [2023-11-12 02:06:59,551 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 3866 transitions. Word has length 446 [2023-11-12 02:06:59,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:06:59,552 INFO L495 AbstractCegarLoop]: Abstraction has 2891 states and 3866 transitions. [2023-11-12 02:06:59,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2023-11-12 02:06:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3866 transitions. [2023-11-12 02:06:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2023-11-12 02:06:59,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:06:59,560 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:06:59,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:06:59,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:59,768 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:06:59,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:06:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1638330508, now seen corresponding path program 1 times [2023-11-12 02:06:59,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:06:59,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519178784] [2023-11-12 02:06:59,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:59,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:06:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:06:59,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:06:59,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519178784] [2023-11-12 02:06:59,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:06:59,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560130600] [2023-11-12 02:06:59,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:06:59,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:06:59,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:06:59,869 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:06:59,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-12 02:07:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:07:00,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:07:00,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:07:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 1592 proven. 26 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2023-11-12 02:07:00,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:07:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 1592 proven. 26 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2023-11-12 02:07:00,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560130600] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:07:00,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:07:00,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-11-12 02:07:00,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936846396] [2023-11-12 02:07:00,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:07:00,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:07:00,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:07:00,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:07:00,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:07:00,284 INFO L87 Difference]: Start difference. First operand 2891 states and 3866 transitions. Second operand has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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) [2023-11-12 02:07:00,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:07:00,703 INFO L93 Difference]: Finished difference Result 5335 states and 7191 transitions. [2023-11-12 02:07:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:07:00,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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 520 [2023-11-12 02:07:00,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:07:00,705 INFO L225 Difference]: With dead ends: 5335 [2023-11-12 02:07:00,705 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:07:00,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 1037 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:07:00,712 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 265 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:07:00,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 800 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:07:00,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:07:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:07:00,713 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) [2023-11-12 02:07:00,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:07:00,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 520 [2023-11-12 02:07:00,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:07:00,716 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:07:00,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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) [2023-11-12 02:07:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:07:00,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:07:00,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-12 02:07:00,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-12 02:07:00,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-12 02:07:00,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-12 02:07:00,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-12 02:07:00,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-12 02:07:00,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-12 02:07:00,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-12 02:07:00,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:07:00,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:07:00,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:07:03,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2023-11-12 02:07:03,469 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2023-11-12 02:07:03,469 INFO L899 garLoopResultBuilder]: For program point L399(line 399) no Hoare annotation was computed. [2023-11-12 02:07:03,470 INFO L899 garLoopResultBuilder]: For program point L366(line 366) no Hoare annotation was computed. [2023-11-12 02:07:03,470 INFO L899 garLoopResultBuilder]: For program point L399-2(line 399) no Hoare annotation was computed. [2023-11-12 02:07:03,470 INFO L899 garLoopResultBuilder]: For program point L366-2(line 366) no Hoare annotation was computed. [2023-11-12 02:07:03,470 INFO L899 garLoopResultBuilder]: For program point L399-4(lines 399 405) no Hoare annotation was computed. [2023-11-12 02:07:03,470 INFO L899 garLoopResultBuilder]: For program point L366-4(lines 366 385) no Hoare annotation was computed. [2023-11-12 02:07:03,470 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8593#1(lines 184 610) no Hoare annotation was computed. [2023-11-12 02:07:03,471 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2023-11-12 02:07:03,471 INFO L899 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2023-11-12 02:07:03,471 INFO L899 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2023-11-12 02:07:03,471 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8529#1(lines 157 619) no Hoare annotation was computed. [2023-11-12 02:07:03,472 INFO L899 garLoopResultBuilder]: For program point L367-4(lines 367 371) no Hoare annotation was computed. [2023-11-12 02:07:03,472 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 604) no Hoare annotation was computed. [2023-11-12 02:07:03,472 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 615) no Hoare annotation was computed. [2023-11-12 02:07:03,472 INFO L899 garLoopResultBuilder]: For program point L367-6(lines 366 383) no Hoare annotation was computed. [2023-11-12 02:07:03,472 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 626) no Hoare annotation was computed. [2023-11-12 02:07:03,472 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8497#1(lines 145 623) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point L335-1(line 335) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point L335-3(lines 335 344) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point L335-5(lines 335 344) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point L666(lines 74 683) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##203(lines 397 434) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8482#1(lines 133 627) no Hoare annotation was computed. [2023-11-12 02:07:03,473 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 603) no Hoare annotation was computed. [2023-11-12 02:07:03,474 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 614) no Hoare annotation was computed. [2023-11-12 02:07:03,474 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 625) no Hoare annotation was computed. [2023-11-12 02:07:03,474 INFO L899 garLoopResultBuilder]: For program point L635(lines 635 663) no Hoare annotation was computed. [2023-11-12 02:07:03,474 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2023-11-12 02:07:03,474 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2023-11-12 02:07:03,474 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-11-12 02:07:03,475 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 596) no Hoare annotation was computed. [2023-11-12 02:07:03,475 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 660) no Hoare annotation was computed. [2023-11-12 02:07:03,475 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2023-11-12 02:07:03,475 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2023-11-12 02:07:03,475 INFO L899 garLoopResultBuilder]: For program point L570-2(lines 570 574) no Hoare annotation was computed. [2023-11-12 02:07:03,475 INFO L899 garLoopResultBuilder]: For program point L537-2(lines 219 596) no Hoare annotation was computed. [2023-11-12 02:07:03,475 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2023-11-12 02:07:03,476 INFO L899 garLoopResultBuilder]: For program point L372-1(line 372) no Hoare annotation was computed. [2023-11-12 02:07:03,476 INFO L899 garLoopResultBuilder]: For program point L372-3(lines 372 382) no Hoare annotation was computed. [2023-11-12 02:07:03,476 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2023-11-12 02:07:03,477 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 674) no Hoare annotation was computed. [2023-11-12 02:07:03,477 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 646) no Hoare annotation was computed. [2023-11-12 02:07:03,477 INFO L899 garLoopResultBuilder]: For program point L670-2(lines 670 674) no Hoare annotation was computed. [2023-11-12 02:07:03,477 INFO L899 garLoopResultBuilder]: For program point L637-2(lines 636 658) no Hoare annotation was computed. [2023-11-12 02:07:03,477 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2023-11-12 02:07:03,478 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2023-11-12 02:07:03,480 INFO L899 garLoopResultBuilder]: For program point L373(lines 356 391) no Hoare annotation was computed. [2023-11-12 02:07:03,480 INFO L899 garLoopResultBuilder]: For program point L274(line 274) no Hoare annotation was computed. [2023-11-12 02:07:03,480 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2023-11-12 02:07:03,481 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2023-11-12 02:07:03,481 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 602) no Hoare annotation was computed. [2023-11-12 02:07:03,481 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 613) no Hoare annotation was computed. [2023-11-12 02:07:03,481 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 624) no Hoare annotation was computed. [2023-11-12 02:07:03,482 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 665) the Hoare annotation is: (let ((.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3)) (.cse2 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse9 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse7 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse4 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) .cse3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse0 .cse4) (and .cse5 .cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse4) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse7 .cse5) (< |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (and .cse8 .cse1 .cse4 .cse2) (and .cse9 .cse5 .cse4) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse1) (and .cse9 .cse8 .cse1) (and .cse7 .cse5 .cse6 .cse4))) [2023-11-12 02:07:03,482 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-11-12 02:07:03,482 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2023-11-12 02:07:03,482 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 685 696) no Hoare annotation was computed. [2023-11-12 02:07:03,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,483 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2023-11-12 02:07:03,483 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2023-11-12 02:07:03,483 INFO L899 garLoopResultBuilder]: For program point L408-1(line 408) no Hoare annotation was computed. [2023-11-12 02:07:03,483 INFO L899 garLoopResultBuilder]: For program point L408-3(lines 408 428) no Hoare annotation was computed. [2023-11-12 02:07:03,483 INFO L899 garLoopResultBuilder]: For program point L409(line 409) no Hoare annotation was computed. [2023-11-12 02:07:03,483 INFO L899 garLoopResultBuilder]: For program point L409-2(line 409) no Hoare annotation was computed. [2023-11-12 02:07:03,483 INFO L899 garLoopResultBuilder]: For program point L409-4(lines 409 415) no Hoare annotation was computed. [2023-11-12 02:07:03,484 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8481#1(lines 127 629) no Hoare annotation was computed. [2023-11-12 02:07:03,484 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 601) no Hoare annotation was computed. [2023-11-12 02:07:03,484 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 612) no Hoare annotation was computed. [2023-11-12 02:07:03,484 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 623) no Hoare annotation was computed. [2023-11-12 02:07:03,484 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 634) no Hoare annotation was computed. [2023-11-12 02:07:03,484 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2023-11-12 02:07:03,484 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2023-11-12 02:07:03,485 INFO L899 garLoopResultBuilder]: For program point L510-2(lines 219 596) no Hoare annotation was computed. [2023-11-12 02:07:03,485 INFO L899 garLoopResultBuilder]: For program point L511(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,485 INFO L899 garLoopResultBuilder]: For program point L511-1(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,485 INFO L899 garLoopResultBuilder]: For program point L511-2(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,485 INFO L899 garLoopResultBuilder]: For program point L511-3(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,486 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2023-11-12 02:07:03,486 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 600) no Hoare annotation was computed. [2023-11-12 02:07:03,486 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 611) no Hoare annotation was computed. [2023-11-12 02:07:03,486 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 622) no Hoare annotation was computed. [2023-11-12 02:07:03,486 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 633) no Hoare annotation was computed. [2023-11-12 02:07:03,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,486 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2023-11-12 02:07:03,487 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2023-11-12 02:07:03,487 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8657#1(lines 202 604) no Hoare annotation was computed. [2023-11-12 02:07:03,487 INFO L899 garLoopResultBuilder]: For program point L580(lines 580 590) no Hoare annotation was computed. [2023-11-12 02:07:03,488 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 580 590) no Hoare annotation was computed. [2023-11-12 02:07:03,488 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2023-11-12 02:07:03,488 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 596) no Hoare annotation was computed. [2023-11-12 02:07:03,488 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 610) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 621) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 632) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L681(lines 74 683) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2023-11-12 02:07:03,489 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 554) no Hoare annotation was computed. [2023-11-12 02:07:03,490 INFO L899 garLoopResultBuilder]: For program point L417(lines 408 428) no Hoare annotation was computed. [2023-11-12 02:07:03,490 INFO L899 garLoopResultBuilder]: For program point L351(line 351) no Hoare annotation was computed. [2023-11-12 02:07:03,490 INFO L899 garLoopResultBuilder]: For program point L351-2(line 351) no Hoare annotation was computed. [2023-11-12 02:07:03,490 INFO L899 garLoopResultBuilder]: For program point L351-4(lines 351 355) no Hoare annotation was computed. [2023-11-12 02:07:03,490 INFO L899 garLoopResultBuilder]: For program point L351-6(lines 219 596) no Hoare annotation was computed. [2023-11-12 02:07:03,490 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2023-11-12 02:07:03,490 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 609) no Hoare annotation was computed. [2023-11-12 02:07:03,491 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 620) no Hoare annotation was computed. [2023-11-12 02:07:03,491 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 631) no Hoare annotation was computed. [2023-11-12 02:07:03,492 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_3#1(lines 214 600) no Hoare annotation was computed. [2023-11-12 02:07:03,493 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2023-11-12 02:07:03,494 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_default#1(lines 217 599) no Hoare annotation was computed. [2023-11-12 02:07:03,494 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2023-11-12 02:07:03,494 INFO L899 garLoopResultBuilder]: For program point L222(lines 115 633) no Hoare annotation was computed. [2023-11-12 02:07:03,494 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8577#1(lines 178 612) no Hoare annotation was computed. [2023-11-12 02:07:03,494 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2023-11-12 02:07:03,494 INFO L899 garLoopResultBuilder]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2023-11-12 02:07:03,496 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:07:03,496 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 608) no Hoare annotation was computed. [2023-11-12 02:07:03,497 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 619) no Hoare annotation was computed. [2023-11-12 02:07:03,497 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 630) no Hoare annotation was computed. [2023-11-12 02:07:03,497 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8641#1(lines 196 606) no Hoare annotation was computed. [2023-11-12 02:07:03,497 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2023-11-12 02:07:03,497 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_ERROR#1(lines 74 683) no Hoare annotation was computed. [2023-11-12 02:07:03,497 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_returnLabel#1(lines 19 684) no Hoare annotation was computed. [2023-11-12 02:07:03,497 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 511) no Hoare annotation was computed. [2023-11-12 02:07:03,498 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-11-12 02:07:03,498 INFO L899 garLoopResultBuilder]: For program point L93-2(line 93) no Hoare annotation was computed. [2023-11-12 02:07:03,498 INFO L899 garLoopResultBuilder]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2023-11-12 02:07:03,498 INFO L899 garLoopResultBuilder]: For program point L93-5(lines 74 683) no Hoare annotation was computed. [2023-11-12 02:07:03,498 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 607) no Hoare annotation was computed. [2023-11-12 02:07:03,498 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 618) no Hoare annotation was computed. [2023-11-12 02:07:03,498 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 629) no Hoare annotation was computed. [2023-11-12 02:07:03,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2023-11-12 02:07:03,499 INFO L899 garLoopResultBuilder]: For program point $Ultimate##139(line 335) no Hoare annotation was computed. [2023-11-12 02:07:03,499 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-11-12 02:07:03,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:07:03,499 INFO L899 garLoopResultBuilder]: For program point L94-2(line 94) no Hoare annotation was computed. [2023-11-12 02:07:03,499 INFO L899 garLoopResultBuilder]: For program point L94-4(lines 94 98) no Hoare annotation was computed. [2023-11-12 02:07:03,500 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8673#1(lines 208 602) no Hoare annotation was computed. [2023-11-12 02:07:03,500 INFO L899 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2023-11-12 02:07:03,500 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2023-11-12 02:07:03,500 INFO L899 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2023-11-12 02:07:03,500 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2023-11-12 02:07:03,500 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-11-12 02:07:03,500 INFO L899 garLoopResultBuilder]: For program point L359-4(lines 359 390) no Hoare annotation was computed. [2023-11-12 02:07:03,501 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 596) no Hoare annotation was computed. [2023-11-12 02:07:03,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2023-11-12 02:07:03,501 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8609#1(lines 190 608) no Hoare annotation was computed. [2023-11-12 02:07:03,501 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:07:03,501 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8466#1(lines 136 626) no Hoare annotation was computed. [2023-11-12 02:07:03,501 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2023-11-12 02:07:03,501 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_12292#1(lines 112 634) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point $Ultimate##285(lines 635 663) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 606) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 617) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 628) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point $Ultimate##217(line 408) no Hoare annotation was computed. [2023-11-12 02:07:03,502 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:07:03,503 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2023-11-12 02:07:03,503 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2023-11-12 02:07:03,503 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8561#1(lines 169 615) no Hoare annotation was computed. [2023-11-12 02:07:03,504 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2023-11-12 02:07:03,504 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 605) no Hoare annotation was computed. [2023-11-12 02:07:03,504 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 616) no Hoare annotation was computed. [2023-11-12 02:07:03,504 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 627) no Hoare annotation was computed. [2023-11-12 02:07:03,504 INFO L899 garLoopResultBuilder]: For program point $Ultimate##239(lines 449 461) no Hoare annotation was computed. [2023-11-12 02:07:03,505 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 535) no Hoare annotation was computed. [2023-11-12 02:07:03,505 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2023-11-12 02:07:03,505 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2023-11-12 02:07:03,505 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 596) no Hoare annotation was computed. [2023-11-12 02:07:03,509 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:07:03,511 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:07:03,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:07:03 BoogieIcfgContainer [2023-11-12 02:07:03,527 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:07:03,528 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:07:03,528 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:07:03,529 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:07:03,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:41" (3/4) ... [2023-11-12 02:07:03,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:07:03,550 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 02:07:03,552 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:07:03,553 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:07:03,555 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:07:03,745 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:07:03,748 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:07:03,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:07:03,755 INFO L158 Benchmark]: Toolchain (without parser) took 23575.53ms. Allocated memory was 159.4MB in the beginning and 346.0MB in the end (delta: 186.6MB). Free memory was 116.0MB in the beginning and 228.8MB in the end (delta: -112.7MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-12 02:07:03,755 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:07:03,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.98ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 120.7MB in the end (delta: -5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:07:03,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.65ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 117.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:07:03,757 INFO L158 Benchmark]: Boogie Preprocessor took 54.24ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 114.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:07:03,758 INFO L158 Benchmark]: RCFGBuilder took 966.19ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 74.2MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 02:07:03,758 INFO L158 Benchmark]: TraceAbstraction took 21798.71ms. Allocated memory was 159.4MB in the beginning and 346.0MB in the end (delta: 186.6MB). Free memory was 73.3MB in the beginning and 240.3MB in the end (delta: -167.1MB). Peak memory consumption was 172.7MB. Max. memory is 16.1GB. [2023-11-12 02:07:03,761 INFO L158 Benchmark]: Witness Printer took 220.63ms. Allocated memory is still 346.0MB. Free memory was 240.3MB in the beginning and 228.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:07:03,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.98ms. Allocated memory is still 159.4MB. Free memory was 115.1MB in the beginning and 120.7MB in the end (delta: -5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.65ms. Allocated memory is still 159.4MB. Free memory was 120.7MB in the beginning and 117.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.24ms. Allocated memory is still 159.4MB. Free memory was 117.3MB in the beginning and 114.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 966.19ms. Allocated memory is still 159.4MB. Free memory was 114.6MB in the beginning and 74.2MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21798.71ms. Allocated memory was 159.4MB in the beginning and 346.0MB in the end (delta: 186.6MB). Free memory was 73.3MB in the beginning and 240.3MB in the end (delta: -167.1MB). Peak memory consumption was 172.7MB. Max. memory is 16.1GB. * Witness Printer took 220.63ms. Allocated memory is still 346.0MB. Free memory was 240.3MB in the beginning and 228.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. 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: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 511]: 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 1 procedures, 176 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 22, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2895 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2895 mSDsluCounter, 10047 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4434 mSDsCounter, 484 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3027 IncrementalHoareTripleChecker+Invalid, 3511 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 484 mSolverCounterUnsat, 5613 mSDtfsCounter, 3027 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5835 GetRequests, 5794 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4851occurred in iteration=15, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 2878 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 142 NumberOfFragments, 136 HoareAnnotationTreeSize, 1 FomulaSimplifications, 5472 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 1 FomulaSimplificationsInter, 931 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 7519 NumberOfCodeBlocks, 7519 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 5838 ConstructedInterpolants, 0 QuantifiedInterpolants, 8712 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8477 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 18286/18442 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 8 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((2 == blastFlag) && (s__s3__tmp__next_state___0 <= 8576)) && (8656 <= s__state)) || ((2 == blastFlag) && (s__state <= 3))) || (((8528 <= s__state) && (2 == blastFlag)) && (s__state <= 8560))) || ((s__s3__tmp__next_state___0 <= 8640) && (s__state <= 3))) || ((2 == blastFlag) && (s__state == 8512))) || ((2 == blastFlag) && !((0 == s__hit)))) || ((((blastFlag <= 3) && (s__s3__tmp__next_state___0 == 8640)) && (s__state == 8640)) && !((0 == s__hit)))) || (((s__s3__tmp__next_state___0 <= 3) && (s__state <= 8448)) && (blastFlag <= 3))) || (blastFlag < 2)) || ((((3 == blastFlag) && (s__s3__tmp__next_state___0 <= 8576)) && !((0 == s__hit))) && (8656 <= s__state))) || (((8672 <= s__state) && (blastFlag <= 3)) && !((0 == s__hit)))) || (((2 == blastFlag) && (s__state <= 8640)) && (s__s3__tmp__next_state___0 <= 8576))) || (((8672 <= s__state) && (3 == blastFlag)) && (s__s3__tmp__next_state___0 <= 8576))) || ((((s__state <= 8448) && (blastFlag <= 3)) && (s__s3__tmp__next_state___0 == 8640)) && !((0 == s__hit)))) RESULT: Ultimate proved your program to be correct! [2023-11-12 02:07:03,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf47f97-4976-4daf-9aec-9273a37b221d/bin/uautomizer-verify-uTZkv6EMXl/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