./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:03:48,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:03:48,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:03:48,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:03:48,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:03:48,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:03:48,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:03:48,871 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:03:48,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:03:48,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:03:48,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:03:48,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:03:48,875 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:03:48,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:03:48,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:03:48,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:03:48,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:03:48,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:03:48,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:03:48,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:03:48,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:03:48,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:03:48,880 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:03:48,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:03:48,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:03:48,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:03:48,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:03:48,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:03:48,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:03:48,884 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:03:48,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:48,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:03:48,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:03:48,886 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:03:48,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:03:48,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:03:48,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:03:48,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:03:48,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:03:48,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:03:48,888 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:03:48,889 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_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce67d33baf8e2191d295422ec2c8649be746cd4f4f75c5de99bdc3950e33cc6c [2023-11-19 08:03:49,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:03:49,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:03:49,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:03:49,179 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:03:49,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:03:49,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2023-11-19 08:03:52,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:03:52,654 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:03:52,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2023-11-19 08:03:52,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/data/c6cdc24fe/2869ff20d9804787a422fa8ab07e9bb2/FLAG4685abee5 [2023-11-19 08:03:52,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/data/c6cdc24fe/2869ff20d9804787a422fa8ab07e9bb2 [2023-11-19 08:03:52,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:03:52,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:03:52,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:52,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:03:52,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:03:52,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:52" (1/1) ... [2023-11-19 08:03:52,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f68a7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:52, skipping insertion in model container [2023-11-19 08:03:52,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:52" (1/1) ... [2023-11-19 08:03:52,737 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:03:52,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:52,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:03:53,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:03:53,019 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:03:53,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53 WrapperNode [2023-11-19 08:03:53,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:03:53,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:53,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:03:53,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:03:53,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,075 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 312 [2023-11-19 08:03:53,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:03:53,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:03:53,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:03:53,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:03:53,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:03:53,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:03:53,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:03:53,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:03:53,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (1/1) ... [2023-11-19 08:03:53,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:03:53,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:53,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:03:53,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:03:53,184 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-19 08:03:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-19 08:03:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:03:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:03:53,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:03:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:03:53,266 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:03:53,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:53,769 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:53,782 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:53,784 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:03:53,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:53 BoogieIcfgContainer [2023-11-19 08:03:53,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:53,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:53,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:53,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:53,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:03:52" (1/3) ... [2023-11-19 08:03:53,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3510766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:53, skipping insertion in model container [2023-11-19 08:03:53,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:53" (2/3) ... [2023-11-19 08:03:53,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3510766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:53, skipping insertion in model container [2023-11-19 08:03:53,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:53" (3/3) ... [2023-11-19 08:03:53,810 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i.v+cfa-reducer.c [2023-11-19 08:03:53,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:53,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-19 08:03:53,910 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:53,917 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;@7859363b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:53,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2023-11-19 08:03:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 94 states have (on average 1.7234042553191489) internal successors, (162), 124 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 08:03:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 08:03:53,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:53,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:53,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:53,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:53,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1847528951, now seen corresponding path program 1 times [2023-11-19 08:03:53,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:53,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472867107] [2023-11-19 08:03:53,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:54,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:54,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472867107] [2023-11-19 08:03:54,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472867107] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:54,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:54,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:54,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086025386] [2023-11-19 08:03:54,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:54,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:54,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:54,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:54,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,219 INFO L87 Difference]: Start difference. First operand has 144 states, 94 states have (on average 1.7234042553191489) internal successors, (162), 124 states have internal predecessors, (162), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:54,325 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2023-11-19 08:03:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:54,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2023-11-19 08:03:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:54,336 INFO L225 Difference]: With dead ends: 148 [2023-11-19 08:03:54,336 INFO L226 Difference]: Without dead ends: 96 [2023-11-19 08:03:54,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,344 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 121 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:54,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 140 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:03:54,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-19 08:03:54,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-19 08:03:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.3943661971830985) internal successors, (99), 95 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 99 transitions. [2023-11-19 08:03:54,387 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 99 transitions. Word has length 13 [2023-11-19 08:03:54,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:54,388 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 99 transitions. [2023-11-19 08:03:54,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 99 transitions. [2023-11-19 08:03:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 08:03:54,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:54,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:54,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:03:54,391 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:54,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:54,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1438822715, now seen corresponding path program 1 times [2023-11-19 08:03:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:54,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927055708] [2023-11-19 08:03:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:54,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:54,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927055708] [2023-11-19 08:03:54,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927055708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:54,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:54,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:54,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953083] [2023-11-19 08:03:54,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:54,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:54,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:54,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,458 INFO L87 Difference]: Start difference. First operand 96 states and 99 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:54,512 INFO L93 Difference]: Finished difference Result 96 states and 99 transitions. [2023-11-19 08:03:54,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:54,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2023-11-19 08:03:54,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:54,515 INFO L225 Difference]: With dead ends: 96 [2023-11-19 08:03:54,515 INFO L226 Difference]: Without dead ends: 91 [2023-11-19 08:03:54,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:54,517 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 81 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:54,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 68 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:54,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-19 08:03:54,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-19 08:03:54,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 71 states have (on average 1.323943661971831) internal successors, (94), 90 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 94 transitions. [2023-11-19 08:03:54,528 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 94 transitions. Word has length 14 [2023-11-19 08:03:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:54,529 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 94 transitions. [2023-11-19 08:03:54,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions. [2023-11-19 08:03:54,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 08:03:54,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:54,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:54,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:03:54,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:54,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:54,532 INFO L85 PathProgramCache]: Analyzing trace with hash -270837411, now seen corresponding path program 1 times [2023-11-19 08:03:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:54,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826880588] [2023-11-19 08:03:54,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:54,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:54,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826880588] [2023-11-19 08:03:54,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826880588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:54,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:54,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:54,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861298134] [2023-11-19 08:03:54,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:54,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:54,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:54,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:54,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:54,615 INFO L87 Difference]: Start difference. First operand 91 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:54,721 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2023-11-19 08:03:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:54,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-19 08:03:54,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:54,728 INFO L225 Difference]: With dead ends: 91 [2023-11-19 08:03:54,728 INFO L226 Difference]: Without dead ends: 83 [2023-11-19 08:03:54,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:54,730 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 139 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:54,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 62 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:03:54,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-19 08:03:54,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-19 08:03:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 71 states have (on average 1.2112676056338028) internal successors, (86), 82 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 86 transitions. [2023-11-19 08:03:54,739 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 86 transitions. Word has length 16 [2023-11-19 08:03:54,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:54,740 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 86 transitions. [2023-11-19 08:03:54,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 86 transitions. [2023-11-19 08:03:54,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 08:03:54,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:54,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:54,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:03:54,742 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:54,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:54,743 INFO L85 PathProgramCache]: Analyzing trace with hash 193974942, now seen corresponding path program 1 times [2023-11-19 08:03:54,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:54,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330866509] [2023-11-19 08:03:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:54,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:54,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330866509] [2023-11-19 08:03:54,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330866509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:54,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:54,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:54,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502550465] [2023-11-19 08:03:54,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:54,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:54,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:54,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:54,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:54,846 INFO L87 Difference]: Start difference. First operand 83 states and 86 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:54,964 INFO L93 Difference]: Finished difference Result 115 states and 120 transitions. [2023-11-19 08:03:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:54,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-19 08:03:54,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:54,966 INFO L225 Difference]: With dead ends: 115 [2023-11-19 08:03:54,966 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 08:03:54,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:54,971 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 106 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:54,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 124 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:03:54,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 08:03:54,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-19 08:03:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 98 states have (on average 1.153061224489796) internal successors, (113), 107 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2023-11-19 08:03:54,983 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 17 [2023-11-19 08:03:54,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:54,983 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2023-11-19 08:03:54,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2023-11-19 08:03:54,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 08:03:54,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:54,986 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 08:03:54,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:03:54,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:54,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:54,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1092637108, now seen corresponding path program 1 times [2023-11-19 08:03:54,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:54,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103505085] [2023-11-19 08:03:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:55,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:55,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103505085] [2023-11-19 08:03:55,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103505085] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:55,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539335877] [2023-11-19 08:03:55,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:55,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:55,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:55,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:55,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:03:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:55,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:03:55,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:55,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:55,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539335877] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:55,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:03:55,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2023-11-19 08:03:55,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927560311] [2023-11-19 08:03:55,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:55,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 08:03:55,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:55,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 08:03:55,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:03:55,667 INFO L87 Difference]: Start difference. First operand 108 states and 113 transitions. Second operand has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 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) [2023-11-19 08:03:56,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:56,197 INFO L93 Difference]: Finished difference Result 451 states and 500 transitions. [2023-11-19 08:03:56,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 08:03:56,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 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 40 [2023-11-19 08:03:56,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:56,202 INFO L225 Difference]: With dead ends: 451 [2023-11-19 08:03:56,203 INFO L226 Difference]: Without dead ends: 445 [2023-11-19 08:03:56,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2023-11-19 08:03:56,209 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1044 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1044 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:56,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1044 Valid, 257 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 08:03:56,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-11-19 08:03:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 282. [2023-11-19 08:03:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 275 states have (on average 1.1454545454545455) internal successors, (315), 281 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 315 transitions. [2023-11-19 08:03:56,250 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 315 transitions. Word has length 40 [2023-11-19 08:03:56,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:56,251 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 315 transitions. [2023-11-19 08:03:56,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 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) [2023-11-19 08:03:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 315 transitions. [2023-11-19 08:03:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 08:03:56,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:56,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:56,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:56,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:56,470 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:56,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:56,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1361646498, now seen corresponding path program 1 times [2023-11-19 08:03:56,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:56,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890186910] [2023-11-19 08:03:56,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:56,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:56,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:56,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890186910] [2023-11-19 08:03:56,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890186910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:56,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:56,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:56,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181362053] [2023-11-19 08:03:56,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:56,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:56,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:56,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:56,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:56,531 INFO L87 Difference]: Start difference. First operand 282 states and 315 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:56,596 INFO L93 Difference]: Finished difference Result 394 states and 448 transitions. [2023-11-19 08:03:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:56,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2023-11-19 08:03:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:56,605 INFO L225 Difference]: With dead ends: 394 [2023-11-19 08:03:56,606 INFO L226 Difference]: Without dead ends: 282 [2023-11-19 08:03:56,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:56,610 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:56,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:03:56,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-19 08:03:56,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2023-11-19 08:03:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 275 states have (on average 1.1236363636363635) internal successors, (309), 281 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 309 transitions. [2023-11-19 08:03:56,637 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 309 transitions. Word has length 53 [2023-11-19 08:03:56,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:56,639 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 309 transitions. [2023-11-19 08:03:56,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 309 transitions. [2023-11-19 08:03:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 08:03:56,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:56,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:56,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:03:56,647 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:56,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:56,647 INFO L85 PathProgramCache]: Analyzing trace with hash -78368380, now seen corresponding path program 1 times [2023-11-19 08:03:56,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:56,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017578963] [2023-11-19 08:03:56,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:56,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:56,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:56,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017578963] [2023-11-19 08:03:56,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017578963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:56,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:56,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:56,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397465544] [2023-11-19 08:03:56,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:56,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:56,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:56,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:56,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:56,788 INFO L87 Difference]: Start difference. First operand 282 states and 309 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:56,800 INFO L93 Difference]: Finished difference Result 282 states and 309 transitions. [2023-11-19 08:03:56,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:56,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2023-11-19 08:03:56,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:56,803 INFO L225 Difference]: With dead ends: 282 [2023-11-19 08:03:56,803 INFO L226 Difference]: Without dead ends: 281 [2023-11-19 08:03:56,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:56,805 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 26 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:56,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 76 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:56,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-19 08:03:56,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2023-11-19 08:03:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 275 states have (on average 1.1054545454545455) internal successors, (304), 280 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 304 transitions. [2023-11-19 08:03:56,815 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 304 transitions. Word has length 54 [2023-11-19 08:03:56,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:56,815 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 304 transitions. [2023-11-19 08:03:56,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 304 transitions. [2023-11-19 08:03:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 08:03:56,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:56,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:56,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:03:56,822 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:56,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:56,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1865547748, now seen corresponding path program 1 times [2023-11-19 08:03:56,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:56,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842580621] [2023-11-19 08:03:56,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:56,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:56,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842580621] [2023-11-19 08:03:56,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842580621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:56,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:56,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:56,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392984757] [2023-11-19 08:03:56,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:56,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:56,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:56,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:56,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:56,933 INFO L87 Difference]: Start difference. First operand 281 states and 304 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:56,944 INFO L93 Difference]: Finished difference Result 281 states and 304 transitions. [2023-11-19 08:03:56,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:56,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2023-11-19 08:03:56,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:56,959 INFO L225 Difference]: With dead ends: 281 [2023-11-19 08:03:56,959 INFO L226 Difference]: Without dead ends: 280 [2023-11-19 08:03:56,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:56,962 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 24 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:56,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 72 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:56,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-19 08:03:56,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2023-11-19 08:03:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 275 states have (on average 1.0872727272727272) internal successors, (299), 279 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 299 transitions. [2023-11-19 08:03:56,971 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 299 transitions. Word has length 55 [2023-11-19 08:03:56,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:56,972 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 299 transitions. [2023-11-19 08:03:56,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 299 transitions. [2023-11-19 08:03:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 08:03:56,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:56,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:56,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:03:56,974 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:56,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash 497527312, now seen corresponding path program 1 times [2023-11-19 08:03:56,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:56,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375518519] [2023-11-19 08:03:56,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:56,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:57,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:57,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375518519] [2023-11-19 08:03:57,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375518519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:57,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:57,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:03:57,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415537813] [2023-11-19 08:03:57,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:57,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:57,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:57,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:57,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:57,089 INFO L87 Difference]: Start difference. First operand 280 states and 299 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:57,104 INFO L93 Difference]: Finished difference Result 337 states and 366 transitions. [2023-11-19 08:03:57,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:57,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2023-11-19 08:03:57,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:57,108 INFO L225 Difference]: With dead ends: 337 [2023-11-19 08:03:57,108 INFO L226 Difference]: Without dead ends: 335 [2023-11-19 08:03:57,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:57,111 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 5 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:57,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 143 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:57,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-11-19 08:03:57,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 334. [2023-11-19 08:03:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 329 states have (on average 1.082066869300912) internal successors, (356), 333 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 356 transitions. [2023-11-19 08:03:57,121 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 356 transitions. Word has length 60 [2023-11-19 08:03:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:57,122 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 356 transitions. [2023-11-19 08:03:57,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 356 transitions. [2023-11-19 08:03:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 08:03:57,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:57,125 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:57,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:03:57,127 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:57,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:57,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1168181628, now seen corresponding path program 2 times [2023-11-19 08:03:57,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:57,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8281887] [2023-11-19 08:03:57,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:57,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:57,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:57,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8281887] [2023-11-19 08:03:57,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8281887] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169093127] [2023-11-19 08:03:57,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:03:57,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:57,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:57,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:57,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:03:57,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 08:03:57,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:03:57,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:03:57,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 08:03:57,617 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 08:03:57,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169093127] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:57,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:03:57,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2023-11-19 08:03:57,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025698052] [2023-11-19 08:03:57,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:57,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 08:03:57,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:57,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 08:03:57,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:03:57,787 INFO L87 Difference]: Start difference. First operand 334 states and 356 transitions. Second operand has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 13 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:58,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:58,110 INFO L93 Difference]: Finished difference Result 552 states and 596 transitions. [2023-11-19 08:03:58,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:03:58,111 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 13 states have internal predecessors, (128), 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 72 [2023-11-19 08:03:58,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:58,114 INFO L225 Difference]: With dead ends: 552 [2023-11-19 08:03:58,114 INFO L226 Difference]: Without dead ends: 549 [2023-11-19 08:03:58,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=286, Unknown=0, NotChecked=0, Total=462 [2023-11-19 08:03:58,115 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 727 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:58,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 155 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:03:58,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-11-19 08:03:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 282. [2023-11-19 08:03:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 279 states have (on average 1.103942652329749) internal successors, (308), 281 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 308 transitions. [2023-11-19 08:03:58,127 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 308 transitions. Word has length 72 [2023-11-19 08:03:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:58,127 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 308 transitions. [2023-11-19 08:03:58,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.666666666666666) internal successors, (128), 13 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 308 transitions. [2023-11-19 08:03:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 08:03:58,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:58,129 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 08:03:58,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:58,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 08:03:58,345 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:58,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:58,345 INFO L85 PathProgramCache]: Analyzing trace with hash -803650672, now seen corresponding path program 1 times [2023-11-19 08:03:58,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:58,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146114107] [2023-11-19 08:03:58,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:58,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:58,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:58,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146114107] [2023-11-19 08:03:58,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146114107] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:58,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535649963] [2023-11-19 08:03:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:58,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:58,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:58,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:58,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 08:03:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:58,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:58,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:58,579 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:03:58,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535649963] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:58,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:03:58,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-19 08:03:58,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061523652] [2023-11-19 08:03:58,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:58,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:58,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:58,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:58,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:58,581 INFO L87 Difference]: Start difference. First operand 282 states and 308 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:58,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:58,597 INFO L93 Difference]: Finished difference Result 283 states and 308 transitions. [2023-11-19 08:03:58,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:58,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 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 77 [2023-11-19 08:03:58,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:58,599 INFO L225 Difference]: With dead ends: 283 [2023-11-19 08:03:58,600 INFO L226 Difference]: Without dead ends: 282 [2023-11-19 08:03:58,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:58,601 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 9 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:58,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 147 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:58,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-11-19 08:03:58,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 281. [2023-11-19 08:03:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 279 states have (on average 1.082437275985663) internal successors, (302), 280 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 302 transitions. [2023-11-19 08:03:58,609 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 302 transitions. Word has length 77 [2023-11-19 08:03:58,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:58,610 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 302 transitions. [2023-11-19 08:03:58,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 302 transitions. [2023-11-19 08:03:58,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 08:03:58,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:58,611 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:58,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:58,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:58,832 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:58,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:58,832 INFO L85 PathProgramCache]: Analyzing trace with hash 856633200, now seen corresponding path program 1 times [2023-11-19 08:03:58,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:58,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772031350] [2023-11-19 08:03:58,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:58,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:58,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:58,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772031350] [2023-11-19 08:03:58,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772031350] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:58,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638361121] [2023-11-19 08:03:58,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:58,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:58,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:58,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 08:03:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:59,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:03:59,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:03:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 08:03:59,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:03:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 08:03:59,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638361121] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:03:59,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:03:59,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-19 08:03:59,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894172628] [2023-11-19 08:03:59,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:03:59,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:03:59,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:59,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:03:59,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:03:59,230 INFO L87 Difference]: Start difference. First operand 281 states and 302 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:59,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:59,293 INFO L93 Difference]: Finished difference Result 429 states and 459 transitions. [2023-11-19 08:03:59,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:03:59,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 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 [2023-11-19 08:03:59,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:59,296 INFO L225 Difference]: With dead ends: 429 [2023-11-19 08:03:59,296 INFO L226 Difference]: Without dead ends: 428 [2023-11-19 08:03:59,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:03:59,297 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 74 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:59,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 151 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:03:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-11-19 08:03:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 200. [2023-11-19 08:03:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 199 states have (on average 1.050251256281407) internal successors, (209), 199 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 209 transitions. [2023-11-19 08:03:59,306 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 209 transitions. Word has length 78 [2023-11-19 08:03:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:59,306 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 209 transitions. [2023-11-19 08:03:59,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 209 transitions. [2023-11-19 08:03:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 08:03:59,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:59,308 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2023-11-19 08:03:59,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:59,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 08:03:59,529 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:03:59,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2139456910, now seen corresponding path program 1 times [2023-11-19 08:03:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:59,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690704147] [2023-11-19 08:03:59,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:59,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:59,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:59,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690704147] [2023-11-19 08:03:59,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690704147] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:03:59,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270606271] [2023-11-19 08:03:59,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:59,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:03:59,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:03:59,897 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:03:59,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 08:04:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:00,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 08:04:00,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:00,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:00,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270606271] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:00,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:04:00,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2023-11-19 08:04:00,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265620815] [2023-11-19 08:04:00,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:00,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-19 08:04:00,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:00,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-19 08:04:00,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=284, Unknown=0, NotChecked=0, Total=462 [2023-11-19 08:04:00,547 INFO L87 Difference]: Start difference. First operand 200 states and 209 transitions. Second operand has 22 states, 21 states have (on average 14.619047619047619) internal successors, (307), 22 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:02,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:02,656 INFO L93 Difference]: Finished difference Result 2271 states and 2411 transitions. [2023-11-19 08:04:02,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-19 08:04:02,657 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.619047619047619) internal successors, (307), 22 states have internal predecessors, (307), 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 124 [2023-11-19 08:04:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:02,669 INFO L225 Difference]: With dead ends: 2271 [2023-11-19 08:04:02,669 INFO L226 Difference]: Without dead ends: 2270 [2023-11-19 08:04:02,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1298, Invalid=2608, Unknown=0, NotChecked=0, Total=3906 [2023-11-19 08:04:02,673 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 3379 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3379 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:02,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3379 Valid, 548 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 08:04:02,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2023-11-19 08:04:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 670. [2023-11-19 08:04:02,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 669 states have (on average 1.0448430493273542) internal successors, (699), 669 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:02,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 699 transitions. [2023-11-19 08:04:02,704 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 699 transitions. Word has length 124 [2023-11-19 08:04:02,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:02,704 INFO L495 AbstractCegarLoop]: Abstraction has 670 states and 699 transitions. [2023-11-19 08:04:02,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.619047619047619) internal successors, (307), 22 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:02,705 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 699 transitions. [2023-11-19 08:04:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 08:04:02,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:04:02,711 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:02,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:02,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 08:04:02,924 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2023-11-19 08:04:02,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:04:02,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1778403302, now seen corresponding path program 2 times [2023-11-19 08:04:02,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:04:02,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921306955] [2023-11-19 08:04:02,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:04:02,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:04:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:04:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 0 proven. 649 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:04:03,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:04:03,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921306955] [2023-11-19 08:04:03,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921306955] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:04:03,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358001214] [2023-11-19 08:04:03,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 08:04:03,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:04:03,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:04:03,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:04:03,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 08:04:03,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-19 08:04:03,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:04:03,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 08:04:03,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:04:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-19 08:04:04,193 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:04:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2023-11-19 08:04:04,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358001214] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:04:04,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:04:04,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 4, 4] total 24 [2023-11-19 08:04:04,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420853245] [2023-11-19 08:04:04,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:04:04,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-19 08:04:04,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:04:04,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-19 08:04:04,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=361, Unknown=0, NotChecked=0, Total=600 [2023-11-19 08:04:04,513 INFO L87 Difference]: Start difference. First operand 670 states and 699 transitions. Second operand has 25 states, 24 states have (on average 13.833333333333334) internal successors, (332), 25 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:04:06,125 INFO L93 Difference]: Finished difference Result 1026 states and 1063 transitions. [2023-11-19 08:04:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-19 08:04:06,126 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 13.833333333333334) internal successors, (332), 25 states have internal predecessors, (332), 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 204 [2023-11-19 08:04:06,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:04:06,126 INFO L225 Difference]: With dead ends: 1026 [2023-11-19 08:04:06,126 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 08:04:06,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1385, Invalid=2647, Unknown=0, NotChecked=0, Total=4032 [2023-11-19 08:04:06,135 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1360 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1360 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:04:06,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1360 Valid, 222 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 08:04:06,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 08:04:06,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 08:04:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 08:04:06,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2023-11-19 08:04:06,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:04:06,137 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:04:06,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 13.833333333333334) internal successors, (332), 25 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:04:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:04:06,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 08:04:06,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2023-11-19 08:04:06,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2023-11-19 08:04:06,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2023-11-19 08:04:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2023-11-19 08:04:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2023-11-19 08:04:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2023-11-19 08:04:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2023-11-19 08:04:06,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2023-11-19 08:04:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2023-11-19 08:04:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2023-11-19 08:04:06,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2023-11-19 08:04:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2023-11-19 08:04:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2023-11-19 08:04:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2023-11-19 08:04:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2023-11-19 08:04:06,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2023-11-19 08:04:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2023-11-19 08:04:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2023-11-19 08:04:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2023-11-19 08:04:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2023-11-19 08:04:06,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2023-11-19 08:04:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2023-11-19 08:04:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2023-11-19 08:04:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2023-11-19 08:04:06,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2023-11-19 08:04:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2023-11-19 08:04:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2023-11-19 08:04:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2023-11-19 08:04:06,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2023-11-19 08:04:06,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2023-11-19 08:04:06,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:04:06,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 08:04:06,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 08:04:06,405 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2023-11-19 08:04:06,405 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2023-11-19 08:04:06,405 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 4) the Hoare annotation is: true [2023-11-19 08:04:06,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 80) no Hoare annotation was computed. [2023-11-19 08:04:06,406 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2023-11-19 08:04:06,406 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2023-11-19 08:04:06,406 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,407 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-11-19 08:04:06,407 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,407 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-11-19 08:04:06,407 INFO L899 garLoopResultBuilder]: For program point L234-1(line 234) no Hoare annotation was computed. [2023-11-19 08:04:06,407 INFO L899 garLoopResultBuilder]: For program point L234-2(lines 234 338) no Hoare annotation was computed. [2023-11-19 08:04:06,407 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 397) no Hoare annotation was computed. [2023-11-19 08:04:06,408 INFO L895 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,408 INFO L899 garLoopResultBuilder]: For program point L284-1(line 284) no Hoare annotation was computed. [2023-11-19 08:04:06,408 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 433) no Hoare annotation was computed. [2023-11-19 08:04:06,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2023-11-19 08:04:06,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 162) no Hoare annotation was computed. [2023-11-19 08:04:06,409 INFO L899 garLoopResultBuilder]: For program point L384(lines 384 393) no Hoare annotation was computed. [2023-11-19 08:04:06,409 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2023-11-19 08:04:06,409 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 162) no Hoare annotation was computed. [2023-11-19 08:04:06,409 INFO L899 garLoopResultBuilder]: For program point L137(lines 131 402) no Hoare annotation was computed. [2023-11-19 08:04:06,409 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 411) no Hoare annotation was computed. [2023-11-19 08:04:06,409 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-19 08:04:06,410 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-11-19 08:04:06,410 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 416) no Hoare annotation was computed. [2023-11-19 08:04:06,410 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 329) no Hoare annotation was computed. [2023-11-19 08:04:06,410 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 355) no Hoare annotation was computed. [2023-11-19 08:04:06,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 200) no Hoare annotation was computed. [2023-11-19 08:04:06,410 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 322) no Hoare annotation was computed. [2023-11-19 08:04:06,411 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 353) no Hoare annotation was computed. [2023-11-19 08:04:06,411 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,411 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-11-19 08:04:06,411 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 360) no Hoare annotation was computed. [2023-11-19 08:04:06,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 200) no Hoare annotation was computed. [2023-11-19 08:04:06,411 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 438) no Hoare annotation was computed. [2023-11-19 08:04:06,412 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2023-11-19 08:04:06,412 INFO L899 garLoopResultBuilder]: For program point L172-1(line 172) no Hoare annotation was computed. [2023-11-19 08:04:06,412 INFO L895 garLoopResultBuilder]: At program point L255(line 255) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,412 INFO L899 garLoopResultBuilder]: For program point L255-1(line 255) no Hoare annotation was computed. [2023-11-19 08:04:06,412 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,412 INFO L899 garLoopResultBuilder]: For program point L189-1(line 189) no Hoare annotation was computed. [2023-11-19 08:04:06,413 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 403) no Hoare annotation was computed. [2023-11-19 08:04:06,413 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2023-11-19 08:04:06,413 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 184) no Hoare annotation was computed. [2023-11-19 08:04:06,413 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,413 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-11-19 08:04:06,413 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 435) no Hoare annotation was computed. [2023-11-19 08:04:06,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 08:04:06,414 INFO L895 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,414 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-11-19 08:04:06,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2023-11-19 08:04:06,414 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 395) no Hoare annotation was computed. [2023-11-19 08:04:06,414 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 316) no Hoare annotation was computed. [2023-11-19 08:04:06,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 184) no Hoare annotation was computed. [2023-11-19 08:04:06,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 234) no Hoare annotation was computed. [2023-11-19 08:04:06,415 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 344) no Hoare annotation was computed. [2023-11-19 08:04:06,415 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 80) no Hoare annotation was computed. [2023-11-19 08:04:06,415 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,415 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-19 08:04:06,416 INFO L899 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2023-11-19 08:04:06,416 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 432) no Hoare annotation was computed. [2023-11-19 08:04:06,416 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-19 08:04:06,416 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 331) no Hoare annotation was computed. [2023-11-19 08:04:06,416 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 357) no Hoare annotation was computed. [2023-11-19 08:04:06,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 131) no Hoare annotation was computed. [2023-11-19 08:04:06,417 INFO L895 garLoopResultBuilder]: At program point L374(line 374) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,417 INFO L899 garLoopResultBuilder]: For program point L374-1(line 374) no Hoare annotation was computed. [2023-11-19 08:04:06,417 INFO L895 garLoopResultBuilder]: At program point L308(line 308) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,417 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 234) no Hoare annotation was computed. [2023-11-19 08:04:06,417 INFO L899 garLoopResultBuilder]: For program point L308-1(line 308) no Hoare annotation was computed. [2023-11-19 08:04:06,417 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 362) no Hoare annotation was computed. [2023-11-19 08:04:06,418 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 13 439) no Hoare annotation was computed. [2023-11-19 08:04:06,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 131) no Hoare annotation was computed. [2023-11-19 08:04:06,418 INFO L899 garLoopResultBuilder]: For program point L391(line 391) no Hoare annotation was computed. [2023-11-19 08:04:06,418 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2023-11-19 08:04:06,418 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,418 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2023-11-19 08:04:06,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2023-11-19 08:04:06,419 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 427) no Hoare annotation was computed. [2023-11-19 08:04:06,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 08:04:06,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,419 INFO L895 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,419 INFO L899 garLoopResultBuilder]: For program point L243-1(line 243) no Hoare annotation was computed. [2023-11-19 08:04:06,420 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,420 INFO L899 garLoopResultBuilder]: For program point L177-1(line 177) no Hoare annotation was computed. [2023-11-19 08:04:06,420 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 405) no Hoare annotation was computed. [2023-11-19 08:04:06,420 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 71) no Hoare annotation was computed. [2023-11-19 08:04:06,421 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,421 INFO L899 garLoopResultBuilder]: For program point L194-2(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,421 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 412) no Hoare annotation was computed. [2023-11-19 08:04:06,421 INFO L899 garLoopResultBuilder]: For program point L194-3(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,421 INFO L899 garLoopResultBuilder]: For program point L194-4(lines 194 354) no Hoare annotation was computed. [2023-11-19 08:04:06,421 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 437) no Hoare annotation was computed. [2023-11-19 08:04:06,422 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,422 INFO L895 garLoopResultBuilder]: At program point L145(line 145) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,422 INFO L899 garLoopResultBuilder]: For program point L145-1(line 145) no Hoare annotation was computed. [2023-11-19 08:04:06,422 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 08:04:06,422 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 318) no Hoare annotation was computed. [2023-11-19 08:04:06,422 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2023-11-19 08:04:06,423 INFO L899 garLoopResultBuilder]: For program point L162-1(line 162) no Hoare annotation was computed. [2023-11-19 08:04:06,423 INFO L899 garLoopResultBuilder]: For program point L162-2(lines 162 359) no Hoare annotation was computed. [2023-11-19 08:04:06,423 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 422) no Hoare annotation was computed. [2023-11-19 08:04:06,423 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 346) no Hoare annotation was computed. [2023-11-19 08:04:06,423 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 314) no Hoare annotation was computed. [2023-11-19 08:04:06,423 INFO L895 garLoopResultBuilder]: At program point L113(line 113) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,424 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2023-11-19 08:04:06,424 INFO L899 garLoopResultBuilder]: For program point L113-1(line 113) no Hoare annotation was computed. [2023-11-19 08:04:06,424 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 434) no Hoare annotation was computed. [2023-11-19 08:04:06,424 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-11-19 08:04:06,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 172) no Hoare annotation was computed. [2023-11-19 08:04:06,425 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 328) no Hoare annotation was computed. [2023-11-19 08:04:06,425 INFO L899 garLoopResultBuilder]: For program point L130(lines 129 403) no Hoare annotation was computed. [2023-11-19 08:04:06,425 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,425 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-19 08:04:06,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 314) no Hoare annotation was computed. [2023-11-19 08:04:06,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 172) no Hoare annotation was computed. [2023-11-19 08:04:06,426 INFO L895 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,426 INFO L899 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2023-11-19 08:04:06,426 INFO L899 garLoopResultBuilder]: For program point L164(lines 162 359) no Hoare annotation was computed. [2023-11-19 08:04:06,426 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2023-11-19 08:04:06,426 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 131 402) no Hoare annotation was computed. [2023-11-19 08:04:06,427 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 417) no Hoare annotation was computed. [2023-11-19 08:04:06,427 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 08:04:06,427 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 92) no Hoare annotation was computed. [2023-11-19 08:04:06,427 INFO L899 garLoopResultBuilder]: For program point L313(lines 262 328) no Hoare annotation was computed. [2023-11-19 08:04:06,427 INFO L895 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (<= 0 (+ 1000000 |ULTIMATE.start_main_~main__urilen~0#1|)) [2023-11-19 08:04:06,427 INFO L899 garLoopResultBuilder]: For program point L214-1(line 214) no Hoare annotation was computed. [2023-11-19 08:04:06,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 232) no Hoare annotation was computed. [2023-11-19 08:04:06,428 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2023-11-19 08:04:06,428 INFO L899 garLoopResultBuilder]: For program point L231(lines 230 344) no Hoare annotation was computed. [2023-11-19 08:04:06,428 INFO L899 garLoopResultBuilder]: For program point L264-1(line 264) no Hoare annotation was computed. [2023-11-19 08:04:06,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 92) no Hoare annotation was computed. [2023-11-19 08:04:06,429 INFO L899 garLoopResultBuilder]: For program point L314(line 314) no Hoare annotation was computed. [2023-11-19 08:04:06,429 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 232) no Hoare annotation was computed. [2023-11-19 08:04:06,429 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 414) no Hoare annotation was computed. [2023-11-19 08:04:06,429 INFO L899 garLoopResultBuilder]: For program point L232(line 232) no Hoare annotation was computed. [2023-11-19 08:04:06,429 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 343) no Hoare annotation was computed. [2023-11-19 08:04:06,429 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 320) no Hoare annotation was computed. [2023-11-19 08:04:06,429 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2023-11-19 08:04:06,430 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2023-11-19 08:04:06,430 INFO L899 garLoopResultBuilder]: For program point L200-1(line 200) no Hoare annotation was computed. [2023-11-19 08:04:06,430 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 436) no Hoare annotation was computed. [2023-11-19 08:04:06,434 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:04:06,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:04:06,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:04:06 BoogieIcfgContainer [2023-11-19 08:04:06,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:04:06,444 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:04:06,444 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:04:06,444 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:04:06,445 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:53" (3/4) ... [2023-11-19 08:04:06,447 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:04:06,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-19 08:04:06,463 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 08:04:06,464 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:04:06,465 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:04:06,465 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:04:06,600 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:04:06,601 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:04:06,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:04:06,602 INFO L158 Benchmark]: Toolchain (without parser) took 13920.45ms. Allocated memory was 138.4MB in the beginning and 232.8MB in the end (delta: 94.4MB). Free memory was 106.2MB in the beginning and 118.4MB in the end (delta: -12.2MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2023-11-19 08:04:06,602 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:04:06,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.74ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 92.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:04:06,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.83ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 90.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:06,604 INFO L158 Benchmark]: Boogie Preprocessor took 30.82ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 89.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:04:06,604 INFO L158 Benchmark]: RCFGBuilder took 685.49ms. Allocated memory is still 138.4MB. Free memory was 89.1MB in the beginning and 67.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 08:04:06,605 INFO L158 Benchmark]: TraceAbstraction took 12644.32ms. Allocated memory was 138.4MB in the beginning and 232.8MB in the end (delta: 94.4MB). Free memory was 66.4MB in the beginning and 126.8MB in the end (delta: -60.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-19 08:04:06,605 INFO L158 Benchmark]: Witness Printer took 157.21ms. Allocated memory is still 232.8MB. Free memory was 126.8MB in the beginning and 118.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:04:06,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.74ms. Allocated memory is still 138.4MB. Free memory was 106.2MB in the beginning and 92.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.83ms. Allocated memory is still 138.4MB. Free memory was 92.9MB in the beginning and 90.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.82ms. Allocated memory is still 138.4MB. Free memory was 90.5MB in the beginning and 89.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.49ms. Allocated memory is still 138.4MB. Free memory was 89.1MB in the beginning and 67.1MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12644.32ms. Allocated memory was 138.4MB in the beginning and 232.8MB in the end (delta: 94.4MB). Free memory was 66.4MB in the beginning and 126.8MB in the end (delta: -60.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 157.21ms. Allocated memory is still 232.8MB. Free memory was 126.8MB in the beginning and 118.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 80]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 131]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 131]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 162]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 184]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 184]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 200]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 200]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 232]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 232]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 314]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 314]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 144 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 14, TraceHistogramMax: 12, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7095 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7095 mSDsluCounter, 2272 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1424 mSDsCounter, 232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2365 IncrementalHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 232 mSolverCounterUnsat, 848 mSDtfsCounter, 2365 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1275 GetRequests, 1088 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1973 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=670occurred in iteration=13, InterpolantAutomatonStates: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 2260 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 36 PreInvPairs, 36 NumberOfFragments, 91 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1472 NumberOfCodeBlocks, 1289 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1965 ConstructedInterpolants, 0 QuantifiedInterpolants, 5429 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1053 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 1470/2891 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:04:06,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c6c78e5-faee-41fa-85ff-e3a671707d3e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE