./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/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_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:53,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:53,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:38:53,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:53,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:53,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:53,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:53,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:53,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:53,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:53,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:53,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:53,792 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:53,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:53,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:53,794 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:53,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:53,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:53,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:53,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:53,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:53,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:53,797 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:53,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:53,798 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:53,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:53,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:53,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:53,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:53,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:53,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:53,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:53,802 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:53,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:53,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:53,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:53,803 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:53,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:53,804 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:53,804 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_444ea155-bdd9-4ff6-bba5-fd09af98c849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 [2023-11-19 07:38:54,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:54,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:54,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:54,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:54,128 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:54,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-19 07:38:57,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:57,516 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:57,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-19 07:38:57,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data/1a0f54e92/bcf65b2a33734916a32f62fd4e4c4016/FLAG6ffb35ba7 [2023-11-19 07:38:57,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data/1a0f54e92/bcf65b2a33734916a32f62fd4e4c4016 [2023-11-19 07:38:57,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:57,546 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:57,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:57,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:57,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:57,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc69cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57, skipping insertion in model container [2023-11-19 07:38:57,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:57,768 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-19 07:38:57,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:57,840 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:57,853 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-19 07:38:57,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:57,900 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:57,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57 WrapperNode [2023-11-19 07:38:57,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:57,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:57,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:57,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:57,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,959 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-19 07:38:57,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:57,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:57,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:57,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:57,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:57,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:58,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:58,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:58,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:58,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:58,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:58,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:58,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:58,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (1/1) ... [2023-11-19 07:38:58,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:58,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:58,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:38:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:38:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:58,163 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:58,166 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:58,481 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:38:58,490 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:38:58,491 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:38:58,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:58 BoogieIcfgContainer [2023-11-19 07:38:58,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:38:58,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:38:58,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:38:58,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:38:58,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:57" (1/3) ... [2023-11-19 07:38:58,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f389f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:58, skipping insertion in model container [2023-11-19 07:38:58,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:57" (2/3) ... [2023-11-19 07:38:58,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f389f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:38:58, skipping insertion in model container [2023-11-19 07:38:58,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:58" (3/3) ... [2023-11-19 07:38:58,506 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-11.i [2023-11-19 07:38:58,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:38:58,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:38:58,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:38:58,580 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;@53536f87, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:38:58,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:38:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:38:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:38:58,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:58,601 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:58,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:58,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:58,607 INFO L85 PathProgramCache]: Analyzing trace with hash 468983379, now seen corresponding path program 1 times [2023-11-19 07:38:58,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:58,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818655890] [2023-11-19 07:38:58,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:58,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:38:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:38:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:38:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:38:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:38:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:38:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:38:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:38:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:38:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:38:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:38:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:38:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:38:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:38:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:38:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:38:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:38:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:38:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:38:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:38:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:38:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:38:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:38:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:38:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 07:38:59,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:38:59,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818655890] [2023-11-19 07:38:59,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818655890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:38:59,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:38:59,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:38:59,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893349235] [2023-11-19 07:38:59,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:38:59,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:38:59,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:38:59,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:38:59,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:59,322 INFO L87 Difference]: Start difference. First operand has 67 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:38:59,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:38:59,354 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2023-11-19 07:38:59,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:38:59,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2023-11-19 07:38:59,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:38:59,365 INFO L225 Difference]: With dead ends: 127 [2023-11-19 07:38:59,366 INFO L226 Difference]: Without dead ends: 63 [2023-11-19 07:38:59,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:38:59,374 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:38:59,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:38:59,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-19 07:38:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-19 07:38:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:38:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2023-11-19 07:38:59,427 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 144 [2023-11-19 07:38:59,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:38:59,428 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2023-11-19 07:38:59,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:38:59,429 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2023-11-19 07:38:59,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:38:59,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:38:59,437 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:38:59,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:38:59,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:38:59,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:38:59,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1934924889, now seen corresponding path program 1 times [2023-11-19 07:38:59,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:38:59,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998412659] [2023-11-19 07:38:59,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:38:59,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:38:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:39:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:39:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:39:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:39:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:39:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:39:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:39:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:39:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:39:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:39:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:39:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:39:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:39:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:39:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:39:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:39:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:39:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:39:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:39:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:39:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:39:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:39:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:39:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 66 proven. 60 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2023-11-19 07:39:02,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:02,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998412659] [2023-11-19 07:39:02,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998412659] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:02,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91638711] [2023-11-19 07:39:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:02,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:02,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:02,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:39:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:02,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 07:39:02,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 757 proven. 78 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-19 07:39:04,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:39:06,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91638711] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:06,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:39:06,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 23 [2023-11-19 07:39:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990139920] [2023-11-19 07:39:06,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:39:06,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-19 07:39:06,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:06,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-19 07:39:06,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2023-11-19 07:39:06,481 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 21 states have internal predecessors, (66), 10 states have call successors, (42), 6 states have call predecessors, (42), 8 states have return successors, (42), 8 states have call predecessors, (42), 10 states have call successors, (42) [2023-11-19 07:39:09,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:09,217 INFO L93 Difference]: Finished difference Result 235 states and 329 transitions. [2023-11-19 07:39:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-19 07:39:09,218 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 21 states have internal predecessors, (66), 10 states have call successors, (42), 6 states have call predecessors, (42), 8 states have return successors, (42), 8 states have call predecessors, (42), 10 states have call successors, (42) Word has length 144 [2023-11-19 07:39:09,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:09,222 INFO L225 Difference]: With dead ends: 235 [2023-11-19 07:39:09,223 INFO L226 Difference]: Without dead ends: 175 [2023-11-19 07:39:09,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 802 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1116, Invalid=2790, Unknown=0, NotChecked=0, Total=3906 [2023-11-19 07:39:09,232 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 410 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:09,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 521 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 07:39:09,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-19 07:39:09,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 163. [2023-11-19 07:39:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 100 states have (on average 1.21) internal successors, (121), 101 states have internal predecessors, (121), 52 states have call successors, (52), 10 states have call predecessors, (52), 10 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-19 07:39:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 225 transitions. [2023-11-19 07:39:09,315 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 225 transitions. Word has length 144 [2023-11-19 07:39:09,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:09,317 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 225 transitions. [2023-11-19 07:39:09,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 21 states have internal predecessors, (66), 10 states have call successors, (42), 6 states have call predecessors, (42), 8 states have return successors, (42), 8 states have call predecessors, (42), 10 states have call successors, (42) [2023-11-19 07:39:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 225 transitions. [2023-11-19 07:39:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:39:09,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:09,329 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:09,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:09,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:09,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:09,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:09,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1658977829, now seen corresponding path program 1 times [2023-11-19 07:39:09,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:09,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108648473] [2023-11-19 07:39:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:39:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:39:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:39:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:39:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:39:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:39:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:39:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:39:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:39:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:39:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:39:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:39:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:39:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:39:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:39:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:39:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:39:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:39:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:39:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:39:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:39:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:39:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-19 07:39:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-19 07:39:10,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:10,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108648473] [2023-11-19 07:39:10,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108648473] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:10,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728623504] [2023-11-19 07:39:10,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:10,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:10,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:10,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:39:10,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:39:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:11,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 07:39:11,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 741 proven. 78 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-11-19 07:39:12,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:39:14,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728623504] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:14,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:39:14,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 20 [2023-11-19 07:39:14,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359681791] [2023-11-19 07:39:14,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:39:14,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-19 07:39:14,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:14,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-19 07:39:14,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=751, Unknown=0, NotChecked=0, Total=992 [2023-11-19 07:39:14,285 INFO L87 Difference]: Start difference. First operand 163 states and 225 transitions. Second operand has 20 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 9 states have call successors, (40), 6 states have call predecessors, (40), 8 states have return successors, (40), 8 states have call predecessors, (40), 9 states have call successors, (40) [2023-11-19 07:39:16,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:16,721 INFO L93 Difference]: Finished difference Result 388 states and 515 transitions. [2023-11-19 07:39:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-19 07:39:16,722 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 9 states have call successors, (40), 6 states have call predecessors, (40), 8 states have return successors, (40), 8 states have call predecessors, (40), 9 states have call successors, (40) Word has length 144 [2023-11-19 07:39:16,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:16,726 INFO L225 Difference]: With dead ends: 388 [2023-11-19 07:39:16,726 INFO L226 Difference]: Without dead ends: 238 [2023-11-19 07:39:16,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1186, Invalid=2720, Unknown=0, NotChecked=0, Total=3906 [2023-11-19 07:39:16,731 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 246 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:16,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 398 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:39:16,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-19 07:39:16,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 182. [2023-11-19 07:39:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 113 states have (on average 1.176991150442478) internal successors, (133), 114 states have internal predecessors, (133), 54 states have call successors, (54), 14 states have call predecessors, (54), 14 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 07:39:16,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 241 transitions. [2023-11-19 07:39:16,785 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 241 transitions. Word has length 144 [2023-11-19 07:39:16,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:16,786 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 241 transitions. [2023-11-19 07:39:16,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 9 states have call successors, (40), 6 states have call predecessors, (40), 8 states have return successors, (40), 8 states have call predecessors, (40), 9 states have call successors, (40) [2023-11-19 07:39:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2023-11-19 07:39:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 07:39:16,789 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:16,789 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:16,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:16,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:39:16,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:16,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:16,996 INFO L85 PathProgramCache]: Analyzing trace with hash -312771240, now seen corresponding path program 1 times [2023-11-19 07:39:16,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:16,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955206458] [2023-11-19 07:39:16,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:16,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:17,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:17,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:17,491 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:39:17,492 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:39:17,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:39:17,499 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:39:17,504 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:39:17,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:39:17 BoogieIcfgContainer [2023-11-19 07:39:17,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:39:17,654 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:39:17,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:39:17,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:39:17,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:38:58" (3/4) ... [2023-11-19 07:39:17,658 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:39:17,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:39:17,660 INFO L158 Benchmark]: Toolchain (without parser) took 20113.35ms. Allocated memory was 151.0MB in the beginning and 323.0MB in the end (delta: 172.0MB). Free memory was 121.7MB in the beginning and 259.5MB in the end (delta: -137.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-19 07:39:17,660 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 109.1MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 77.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:17,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.80ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 108.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:39:17,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.17ms. Allocated memory is still 151.0MB. Free memory was 108.0MB in the beginning and 105.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:17,661 INFO L158 Benchmark]: Boogie Preprocessor took 49.92ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 103.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:17,662 INFO L158 Benchmark]: RCFGBuilder took 484.43ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 86.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:39:17,662 INFO L158 Benchmark]: TraceAbstraction took 19155.65ms. Allocated memory was 151.0MB in the beginning and 323.0MB in the end (delta: 172.0MB). Free memory was 85.9MB in the beginning and 259.5MB in the end (delta: -173.6MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. [2023-11-19 07:39:17,662 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 323.0MB. Free memory is still 259.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:17,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 109.1MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 77.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.80ms. Allocated memory is still 151.0MB. Free memory was 121.5MB in the beginning and 108.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.17ms. Allocated memory is still 151.0MB. Free memory was 108.0MB in the beginning and 105.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.92ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 103.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.43ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 86.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 19155.65ms. Allocated memory was 151.0MB in the beginning and 323.0MB in the end (delta: 172.0MB). Free memory was 85.9MB in the beginning and 259.5MB in the end (delta: -173.6MB). Peak memory consumption was 126.3MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 323.0MB. Free memory is still 259.5MB. There was no memory consumed. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 126, overapproximation of someUnaryDOUBLEoperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed short int var_1_5 = -256; [L27] signed short int var_1_6 = 4; [L28] signed char var_1_7 = 0; [L29] signed char var_1_8 = 16; [L30] signed char var_1_9 = 4; [L31] unsigned long int var_1_10 = 128; [L32] unsigned long int var_1_11 = 1422462314; [L33] signed short int var_1_12 = 8; [L34] float var_1_13 = 49.5; [L35] float var_1_14 = 0.4; [L36] signed short int var_1_15 = -50; [L37] unsigned long int var_1_16 = 1; [L38] unsigned long int var_1_17 = 3609236770; [L39] unsigned long int var_1_18 = 2902762324; [L40] double var_1_19 = 3.8; [L41] double var_1_20 = 255.75; [L42] unsigned short int var_1_21 = 0; VAL [isInitial=0, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L130] isInitial = 1 [L131] FCALL initially() [L132] COND TRUE 1 [L133] FCALL updateLastVariables() [L134] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L87] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L88] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L89] var_1_3 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L90] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L91] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L91] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L92] var_1_5 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L93] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L94] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L95] var_1_6 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L96] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L97] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=0, var_1_8=16, var_1_9=4] [L98] var_1_7 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=16, var_1_9=4] [L99] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=16, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=16, var_1_9=4] [L100] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=16, var_1_9=4] [L101] var_1_8 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=4] [L102] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=4] [L103] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=4] [L104] var_1_9 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L105] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L106] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L106] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L107] var_1_11 = __VERIFIER_nondet_ulong() [L108] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L108] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L109] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L109] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L110] var_1_13 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L111] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L112] var_1_14 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L113] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L114] var_1_17 = __VERIFIER_nondet_ulong() [L115] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L115] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L116] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L116] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L117] var_1_18 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L118] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L119] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L119] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L120] var_1_20 = __VERIFIER_nondet_double() [L121] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L121] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L134] RET updateVariables() [L135] CALL step() [L46] var_1_1 = (var_1_2 || (! var_1_3)) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L47] COND TRUE var_1_5 == var_1_6 [L48] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) VAL [isInitial=1, var_1_10=128, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L50] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) VAL [isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L51] COND TRUE var_1_6 != var_1_10 VAL [isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L52] COND FALSE !(var_1_8 <= var_1_6) VAL [isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=-50, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L60] COND FALSE !(\read(var_1_2)) [L69] var_1_15 = 5 VAL [isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=5, var_1_16=1, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L71] COND TRUE var_1_13 != var_1_14 [L72] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) VAL [isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=5, var_1_16=73, var_1_17=2147483647, var_1_18=2147483648, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L80] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) VAL [isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=5, var_1_16=73, var_1_17=2147483647, var_1_18=2147483648, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L81] COND FALSE !((var_1_12 == (var_1_8 - var_1_9)) && var_1_2) VAL [isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=5, var_1_16=73, var_1_17=2147483647, var_1_18=2147483648, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L135] RET step() [L136] CALL, EXPR property() [L126-L127] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_5 == var_1_6) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((var_1_6 != var_1_10) ? ((var_1_8 <= var_1_6) ? (((- var_1_13) >= var_1_14) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_2 ? ((var_1_13 >= var_1_14) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_13 != var_1_14) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_5 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_12 == (var_1_8 - var_1_9)) && var_1_2) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; VAL [\result=0, isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=5, var_1_16=73, var_1_17=2147483647, var_1_18=2147483648, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=5, var_1_16=73, var_1_17=2147483647, var_1_18=2147483648, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1879543288, var_1_11=2147483584, var_1_12=8, var_1_13=6174510590, var_1_14=6174510589, var_1_15=5, var_1_16=73, var_1_17=2147483647, var_1_18=2147483648, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=4, var_1_5=9, var_1_6=9, var_1_7=63, var_1_8=10, var_1_9=67] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 670 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 656 mSDsluCounter, 1014 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 709 mSDsCounter, 387 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1617 IncrementalHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 387 mSolverCounterUnsat, 305 mSDtfsCounter, 1617 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1660 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=3, InterpolantAutomatonStates: 76, 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, 3 MinimizatonAttempts, 68 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 865 NumberOfCodeBlocks, 865 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 715 ConstructedInterpolants, 0 QuantifiedInterpolants, 6920 SizeOfPredicates, 15 NumberOfNonLiveVariables, 689 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4823/5060 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:39:17,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/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_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:39:20,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:39:20,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:39:20,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:39:20,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:39:20,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:39:20,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:39:20,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:39:20,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:39:20,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:39:20,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:39:20,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:39:20,655 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:39:20,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:39:20,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:39:20,658 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:39:20,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:39:20,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:39:20,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:39:20,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:39:20,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:39:20,662 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:39:20,662 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:39:20,663 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:39:20,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:39:20,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:39:20,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:39:20,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:39:20,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:39:20,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:39:20,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:20,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:39:20,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:39:20,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:39:20,668 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:39:20,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:39:20,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:39:20,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:39:20,669 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:39:20,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:39:20,671 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:39:20,671 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:39:20,671 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_444ea155-bdd9-4ff6-bba5-fd09af98c849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb4a5dbd9bd36a08553228e3579f9c0fa33ebcb9ef473081910f145eb5cf5929 [2023-11-19 07:39:21,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:39:21,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:39:21,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:39:21,091 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:39:21,092 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:39:21,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-19 07:39:24,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:24,593 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:24,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i [2023-11-19 07:39:24,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data/4caf1e7a0/ef20aedda77846f2981034e277b23c2f/FLAG7366f8137 [2023-11-19 07:39:24,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/data/4caf1e7a0/ef20aedda77846f2981034e277b23c2f [2023-11-19 07:39:24,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:24,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:24,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:24,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:24,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:24,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:24,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a5a725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:24, skipping insertion in model container [2023-11-19 07:39:24,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:24" (1/1) ... [2023-11-19 07:39:24,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:24,868 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-19 07:39:24,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:24,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:24,953 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-11.i[913,926] [2023-11-19 07:39:24,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:25,006 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:25,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25 WrapperNode [2023-11-19 07:39:25,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:25,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:25,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:25,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:25,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,077 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-19 07:39:25,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:25,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:25,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:25,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:25,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:25,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:25,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:25,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:25,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (1/1) ... [2023-11-19 07:39:25,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:39:25,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:25,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:25,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:39:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:39:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:39:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:25,352 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:25,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:25,853 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:25,862 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:25,862 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:39:25,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:25 BoogieIcfgContainer [2023-11-19 07:39:25,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:25,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:25,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:25,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:25,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:24" (1/3) ... [2023-11-19 07:39:25,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312b3aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:25, skipping insertion in model container [2023-11-19 07:39:25,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:25" (2/3) ... [2023-11-19 07:39:25,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312b3aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:25, skipping insertion in model container [2023-11-19 07:39:25,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:25" (3/3) ... [2023-11-19 07:39:25,876 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-11.i [2023-11-19 07:39:25,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:25,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:39:25,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:25,995 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;@468bf0b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:25,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:39:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:39:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:39:26,024 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:26,025 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:26,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:26,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:26,035 INFO L85 PathProgramCache]: Analyzing trace with hash 468983379, now seen corresponding path program 1 times [2023-11-19 07:39:26,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:39:26,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734079849] [2023-11-19 07:39:26,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:26,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:39:26,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:39:26,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:39:26,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:39:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:26,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:39:26,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-19 07:39:26,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:39:26,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:39:26,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734079849] [2023-11-19 07:39:26,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734079849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:26,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:26,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:39:26,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781351283] [2023-11-19 07:39:26,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:26,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:39:26,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:39:26,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:39:26,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:26,518 INFO L87 Difference]: Start difference. First operand has 67 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:39:26,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:26,568 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2023-11-19 07:39:26,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:39:26,570 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2023-11-19 07:39:26,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:26,583 INFO L225 Difference]: With dead ends: 127 [2023-11-19 07:39:26,583 INFO L226 Difference]: Without dead ends: 63 [2023-11-19 07:39:26,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:39:26,591 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:26,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:39:26,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-19 07:39:26,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-19 07:39:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:39:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 95 transitions. [2023-11-19 07:39:26,641 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 95 transitions. Word has length 144 [2023-11-19 07:39:26,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:26,642 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 95 transitions. [2023-11-19 07:39:26,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:39:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2023-11-19 07:39:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:39:26,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:26,659 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:26,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:26,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:39:26,865 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:26,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1934924889, now seen corresponding path program 1 times [2023-11-19 07:39:26,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:39:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629443605] [2023-11-19 07:39:26,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:26,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:39:26,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:39:26,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:39:26,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:39:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:27,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:39:27,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 508 proven. 42 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-19 07:39:27,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:39:27,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:39:27,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629443605] [2023-11-19 07:39:27,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629443605] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:27,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [898026522] [2023-11-19 07:39:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:27,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 07:39:27,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 07:39:27,885 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 07:39:27,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 07:39:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:39:28,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:39:29,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 685 proven. 78 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-11-19 07:39:29,893 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:39:32,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [898026522] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:39:32,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:39:32,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 17 [2023-11-19 07:39:32,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573297088] [2023-11-19 07:39:32,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:39:32,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 07:39:32,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:39:32,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 07:39:32,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=307, Unknown=1, NotChecked=0, Total=380 [2023-11-19 07:39:32,063 INFO L87 Difference]: Start difference. First operand 63 states and 95 transitions. Second operand has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 15 states have internal predecessors, (65), 6 states have call successors, (37), 6 states have call predecessors, (37), 8 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2023-11-19 07:39:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:35,661 INFO L93 Difference]: Finished difference Result 195 states and 276 transitions. [2023-11-19 07:39:35,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-19 07:39:35,664 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 15 states have internal predecessors, (65), 6 states have call successors, (37), 6 states have call predecessors, (37), 8 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) Word has length 144 [2023-11-19 07:39:35,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:35,668 INFO L225 Difference]: With dead ends: 195 [2023-11-19 07:39:35,669 INFO L226 Difference]: Without dead ends: 135 [2023-11-19 07:39:35,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=376, Invalid=1183, Unknown=1, NotChecked=0, Total=1560 [2023-11-19 07:39:35,672 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 126 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:35,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 383 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 07:39:35,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-19 07:39:35,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 75. [2023-11-19 07:39:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 47 states have internal predecessors, (57), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:39:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 103 transitions. [2023-11-19 07:39:35,709 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 103 transitions. Word has length 144 [2023-11-19 07:39:35,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:35,711 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 103 transitions. [2023-11-19 07:39:35,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 15 states have internal predecessors, (65), 6 states have call successors, (37), 6 states have call predecessors, (37), 8 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2023-11-19 07:39:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2023-11-19 07:39:35,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 07:39:35,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:35,715 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:35,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:35,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:39:36,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt [2023-11-19 07:39:36,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:36,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:36,135 INFO L85 PathProgramCache]: Analyzing trace with hash -312771240, now seen corresponding path program 1 times [2023-11-19 07:39:36,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:39:36,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160787798] [2023-11-19 07:39:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:36,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:39:36,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:39:36,139 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:39:36,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444ea155-bdd9-4ff6-bba5-fd09af98c849/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 07:39:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:36,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:39:36,426 INFO L285 TraceCheckSpWp]: Computing forward predicates...