./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a45f8334b1b3999c3eda6569d09120923539f302 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:42:53,822 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:42:53,823 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:42:53,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:42:53,829 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:42:53,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:42:53,830 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:42:53,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:42:53,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:42:53,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:42:53,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:42:53,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:42:53,833 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:42:53,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:42:53,834 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:42:53,834 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:42:53,834 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:42:53,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:42:53,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:42:53,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:42:53,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:42:53,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:42:53,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:42:53,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:42:53,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:42:53,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:42:53,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:42:53,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:42:53,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:42:53,841 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:42:53,841 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:42:53,842 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:42:53,842 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:42:53,842 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:42:53,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:42:53,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:42:53,843 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 22:42:53,850 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:42:53,850 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:42:53,850 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:42:53,850 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:42:53,851 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:42:53,851 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:42:53,851 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 22:42:53,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:42:53,851 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:42:53,851 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:42:53,851 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:42:53,851 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:42:53,851 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:42:53,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:42:53,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:42:53,853 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:42:53,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:42:53,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:42:53,853 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 22:42:53,853 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:42:53,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:42:53,853 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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(__VERIFIER_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 -> a45f8334b1b3999c3eda6569d09120923539f302 [2018-12-08 22:42:53,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:42:53,876 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:42:53,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:42:53,879 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:42:53,880 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:42:53,880 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/../../sv-benchmarks/c/pthread/stack_false-unreach-call.i [2018-12-08 22:42:53,917 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/data/79d359a00/e0ab632dc22d489f8aba41ad0f91b3ad/FLAG3c4a2b39a [2018-12-08 22:42:54,424 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:42:54,424 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/sv-benchmarks/c/pthread/stack_false-unreach-call.i [2018-12-08 22:42:54,434 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/data/79d359a00/e0ab632dc22d489f8aba41ad0f91b3ad/FLAG3c4a2b39a [2018-12-08 22:42:54,442 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/data/79d359a00/e0ab632dc22d489f8aba41ad0f91b3ad [2018-12-08 22:42:54,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:42:54,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:42:54,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:42:54,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:42:54,448 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:42:54,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115e7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54, skipping insertion in model container [2018-12-08 22:42:54,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:42:54,483 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:42:54,702 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:42:54,755 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:42:54,792 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:42:54,862 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:42:54,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54 WrapperNode [2018-12-08 22:42:54,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:42:54,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:42:54,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:42:54,863 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:42:54,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:42:54,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:42:54,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:42:54,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:42:54,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... [2018-12-08 22:42:54,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:42:54,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:42:54,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:42:54,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:42:54,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:42:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-12-08 22:42:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-12-08 22:42:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 22:42:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:42:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:42:54,951 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 22:42:55,184 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:42:55,184 INFO L280 CfgBuilder]: Removed 24 assue(true) statements. [2018-12-08 22:42:55,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:42:55 BoogieIcfgContainer [2018-12-08 22:42:55,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:42:55,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:42:55,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:42:55,187 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:42:55,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:42:54" (1/3) ... [2018-12-08 22:42:55,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a4f8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:42:55, skipping insertion in model container [2018-12-08 22:42:55,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:42:54" (2/3) ... [2018-12-08 22:42:55,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a4f8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:42:55, skipping insertion in model container [2018-12-08 22:42:55,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:42:55" (3/3) ... [2018-12-08 22:42:55,189 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_false-unreach-call.i [2018-12-08 22:42:55,214 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,215 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,216 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,217 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,218 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#t~ret34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,219 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,220 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,220 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,220 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,220 WARN L317 ript$VariableManager]: TermVariabe Thread0_t1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,220 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_inc_top_#t~post29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,221 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,221 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,221 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,222 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,223 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,224 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,225 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,225 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,225 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,225 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,226 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,227 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,228 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_dec_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,229 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,230 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,231 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,231 WARN L317 ript$VariableManager]: TermVariabe Thread1_t2_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,231 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,232 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,232 WARN L317 ript$VariableManager]: TermVariabe |Thread1_t2_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:42:55,242 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 22:42:55,243 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:42:55,249 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-12-08 22:42:55,258 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-12-08 22:42:55,274 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 22:42:55,275 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:42:55,275 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:42:55,275 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:42:55,275 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:42:55,275 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:42:55,275 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:42:55,275 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:42:55,275 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:42:55,283 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 133places, 141 transitions [2018-12-08 22:42:55,412 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6508 states. [2018-12-08 22:42:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 6508 states. [2018-12-08 22:42:55,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 22:42:55,433 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:42:55,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:42:55,436 INFO L423 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:42:55,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:42:55,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1058864460, now seen corresponding path program 1 times [2018-12-08 22:42:55,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:42:55,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:42:55,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:55,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:55,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:55,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:42:55,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:42:55,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:42:55,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:42:55,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:42:55,642 INFO L87 Difference]: Start difference. First operand 6508 states. Second operand 3 states. [2018-12-08 22:42:55,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:42:55,744 INFO L93 Difference]: Finished difference Result 9856 states and 26355 transitions. [2018-12-08 22:42:55,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:42:55,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-08 22:42:55,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:42:55,784 INFO L225 Difference]: With dead ends: 9856 [2018-12-08 22:42:55,784 INFO L226 Difference]: Without dead ends: 9748 [2018-12-08 22:42:55,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:42:55,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9748 states. [2018-12-08 22:42:56,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9748 to 8278. [2018-12-08 22:42:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8278 states. [2018-12-08 22:42:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8278 states to 8278 states and 22336 transitions. [2018-12-08 22:42:56,025 INFO L78 Accepts]: Start accepts. Automaton has 8278 states and 22336 transitions. Word has length 48 [2018-12-08 22:42:56,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:42:56,026 INFO L480 AbstractCegarLoop]: Abstraction has 8278 states and 22336 transitions. [2018-12-08 22:42:56,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:42:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 8278 states and 22336 transitions. [2018-12-08 22:42:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 22:42:56,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:42:56,029 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:42:56,029 INFO L423 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:42:56,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:42:56,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1994380150, now seen corresponding path program 1 times [2018-12-08 22:42:56,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:42:56,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:42:56,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:56,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:56,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:42:56,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:42:56,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:42:56,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:42:56,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:42:56,087 INFO L87 Difference]: Start difference. First operand 8278 states and 22336 transitions. Second operand 3 states. [2018-12-08 22:42:56,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:42:56,134 INFO L93 Difference]: Finished difference Result 7699 states and 20471 transitions. [2018-12-08 22:42:56,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:42:56,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 22:42:56,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:42:56,154 INFO L225 Difference]: With dead ends: 7699 [2018-12-08 22:42:56,154 INFO L226 Difference]: Without dead ends: 7558 [2018-12-08 22:42:56,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:42:56,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7558 states. [2018-12-08 22:42:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7558 to 7330. [2018-12-08 22:42:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7330 states. [2018-12-08 22:42:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7330 states to 7330 states and 19610 transitions. [2018-12-08 22:42:56,276 INFO L78 Accepts]: Start accepts. Automaton has 7330 states and 19610 transitions. Word has length 52 [2018-12-08 22:42:56,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:42:56,277 INFO L480 AbstractCegarLoop]: Abstraction has 7330 states and 19610 transitions. [2018-12-08 22:42:56,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:42:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 7330 states and 19610 transitions. [2018-12-08 22:42:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 22:42:56,280 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:42:56,280 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:42:56,280 INFO L423 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:42:56,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:42:56,281 INFO L82 PathProgramCache]: Analyzing trace with hash -614550933, now seen corresponding path program 1 times [2018-12-08 22:42:56,281 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:42:56,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:42:56,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:56,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:56,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:42:56,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 22:42:56,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 22:42:56,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 22:42:56,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 22:42:56,330 INFO L87 Difference]: Start difference. First operand 7330 states and 19610 transitions. Second operand 4 states. [2018-12-08 22:42:56,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:42:56,405 INFO L93 Difference]: Finished difference Result 10195 states and 27213 transitions. [2018-12-08 22:42:56,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 22:42:56,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2018-12-08 22:42:56,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:42:56,422 INFO L225 Difference]: With dead ends: 10195 [2018-12-08 22:42:56,422 INFO L226 Difference]: Without dead ends: 10195 [2018-12-08 22:42:56,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 22:42:56,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10195 states. [2018-12-08 22:42:56,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10195 to 7654. [2018-12-08 22:42:56,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7654 states. [2018-12-08 22:42:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7654 states to 7654 states and 20477 transitions. [2018-12-08 22:42:56,558 INFO L78 Accepts]: Start accepts. Automaton has 7654 states and 20477 transitions. Word has length 57 [2018-12-08 22:42:56,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:42:56,558 INFO L480 AbstractCegarLoop]: Abstraction has 7654 states and 20477 transitions. [2018-12-08 22:42:56,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 22:42:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 7654 states and 20477 transitions. [2018-12-08 22:42:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 22:42:56,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:42:56,562 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:42:56,563 INFO L423 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:42:56,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:42:56,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1676648747, now seen corresponding path program 1 times [2018-12-08 22:42:56,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:42:56,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:42:56,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:56,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:56,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:42:56,619 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:42:56,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:56,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:42:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:56,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 22:42:56,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-12-08 22:42:56,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:42:56,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:42:56,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:42:56,741 INFO L87 Difference]: Start difference. First operand 7654 states and 20477 transitions. Second operand 7 states. [2018-12-08 22:42:56,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:42:56,827 INFO L93 Difference]: Finished difference Result 11188 states and 29821 transitions. [2018-12-08 22:42:56,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:42:56,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2018-12-08 22:42:56,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:42:56,843 INFO L225 Difference]: With dead ends: 11188 [2018-12-08 22:42:56,843 INFO L226 Difference]: Without dead ends: 11188 [2018-12-08 22:42:56,844 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:42:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11188 states. [2018-12-08 22:42:56,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11188 to 9718. [2018-12-08 22:42:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9718 states. [2018-12-08 22:42:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9718 states to 9718 states and 26038 transitions. [2018-12-08 22:42:56,981 INFO L78 Accepts]: Start accepts. Automaton has 9718 states and 26038 transitions. Word has length 80 [2018-12-08 22:42:56,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:42:56,981 INFO L480 AbstractCegarLoop]: Abstraction has 9718 states and 26038 transitions. [2018-12-08 22:42:56,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:42:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9718 states and 26038 transitions. [2018-12-08 22:42:56,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 22:42:56,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:42:56,986 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:42:56,986 INFO L423 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:42:56,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:42:56,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1999296631, now seen corresponding path program 1 times [2018-12-08 22:42:56,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:42:56,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:42:56,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:56,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:57,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:42:57,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:42:57,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:42:57,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:42:57,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:42:57,019 INFO L87 Difference]: Start difference. First operand 9718 states and 26038 transitions. Second operand 3 states. [2018-12-08 22:42:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:42:57,039 INFO L93 Difference]: Finished difference Result 4951 states and 12537 transitions. [2018-12-08 22:42:57,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:42:57,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2018-12-08 22:42:57,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:42:57,045 INFO L225 Difference]: With dead ends: 4951 [2018-12-08 22:42:57,046 INFO L226 Difference]: Without dead ends: 4951 [2018-12-08 22:42:57,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:42:57,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4951 states. [2018-12-08 22:42:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4951 to 4846. [2018-12-08 22:42:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4846 states. [2018-12-08 22:42:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 12272 transitions. [2018-12-08 22:42:57,103 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 12272 transitions. Word has length 84 [2018-12-08 22:42:57,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:42:57,103 INFO L480 AbstractCegarLoop]: Abstraction has 4846 states and 12272 transitions. [2018-12-08 22:42:57,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:42:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 12272 transitions. [2018-12-08 22:42:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 22:42:57,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:42:57,107 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:42:57,108 INFO L423 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:42:57,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:42:57,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1641980441, now seen corresponding path program 1 times [2018-12-08 22:42:57,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:42:57,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:42:57,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:57,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:57,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:57,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:42:57,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:42:57,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:42:57,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:42:57,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:42:57,162 INFO L87 Difference]: Start difference. First operand 4846 states and 12272 transitions. Second operand 7 states. [2018-12-08 22:42:57,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:42:57,266 INFO L93 Difference]: Finished difference Result 6385 states and 16126 transitions. [2018-12-08 22:42:57,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 22:42:57,266 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 85 [2018-12-08 22:42:57,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:42:57,274 INFO L225 Difference]: With dead ends: 6385 [2018-12-08 22:42:57,274 INFO L226 Difference]: Without dead ends: 6385 [2018-12-08 22:42:57,275 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:42:57,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6385 states. [2018-12-08 22:42:57,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6385 to 5251. [2018-12-08 22:42:57,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5251 states. [2018-12-08 22:42:57,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 13266 transitions. [2018-12-08 22:42:57,340 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 13266 transitions. Word has length 85 [2018-12-08 22:42:57,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:42:57,340 INFO L480 AbstractCegarLoop]: Abstraction has 5251 states and 13266 transitions. [2018-12-08 22:42:57,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:42:57,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 13266 transitions. [2018-12-08 22:42:57,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 22:42:57,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:42:57,346 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:42:57,346 INFO L423 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:42:57,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:42:57,346 INFO L82 PathProgramCache]: Analyzing trace with hash -2073090447, now seen corresponding path program 1 times [2018-12-08 22:42:57,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:42:57,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:42:57,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:57,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:42:57,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:42:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:42:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:42:57,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:42:57,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2018-12-08 22:42:57,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-08 22:42:57,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-08 22:42:57,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2018-12-08 22:42:57,873 INFO L87 Difference]: Start difference. First operand 5251 states and 13266 transitions. Second operand 22 states. [2018-12-08 22:43:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:43:00,002 INFO L93 Difference]: Finished difference Result 13174 states and 33307 transitions. [2018-12-08 22:43:00,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-08 22:43:00,003 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 95 [2018-12-08 22:43:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:43:00,028 INFO L225 Difference]: With dead ends: 13174 [2018-12-08 22:43:00,028 INFO L226 Difference]: Without dead ends: 13174 [2018-12-08 22:43:00,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=441, Invalid=2315, Unknown=0, NotChecked=0, Total=2756 [2018-12-08 22:43:00,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13174 states. [2018-12-08 22:43:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13174 to 7516. [2018-12-08 22:43:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7516 states. [2018-12-08 22:43:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7516 states to 7516 states and 19180 transitions. [2018-12-08 22:43:00,152 INFO L78 Accepts]: Start accepts. Automaton has 7516 states and 19180 transitions. Word has length 95 [2018-12-08 22:43:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:43:00,153 INFO L480 AbstractCegarLoop]: Abstraction has 7516 states and 19180 transitions. [2018-12-08 22:43:00,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-08 22:43:00,153 INFO L276 IsEmpty]: Start isEmpty. Operand 7516 states and 19180 transitions. [2018-12-08 22:43:00,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 22:43:00,160 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:43:00,160 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:43:00,161 INFO L423 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:43:00,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:43:00,161 INFO L82 PathProgramCache]: Analyzing trace with hash 2085397410, now seen corresponding path program 2 times [2018-12-08 22:43:00,161 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:43:00,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:43:00,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:43:00,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:43:00,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:43:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:43:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:43:00,224 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:43:00,224 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:43:00,231 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 22:43:00,261 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 22:43:00,262 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 22:43:00,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:43:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 6 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:43:00,311 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 22:43:00,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2018-12-08 22:43:00,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:43:00,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:43:00,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:43:00,312 INFO L87 Difference]: Start difference. First operand 7516 states and 19180 transitions. Second operand 9 states. [2018-12-08 22:43:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:43:00,390 INFO L93 Difference]: Finished difference Result 10708 states and 27082 transitions. [2018-12-08 22:43:00,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 22:43:00,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-12-08 22:43:00,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:43:00,406 INFO L225 Difference]: With dead ends: 10708 [2018-12-08 22:43:00,406 INFO L226 Difference]: Without dead ends: 10708 [2018-12-08 22:43:00,406 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-12-08 22:43:00,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10708 states. [2018-12-08 22:43:00,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10708 to 9013. [2018-12-08 22:43:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9013 states. [2018-12-08 22:43:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9013 states to 9013 states and 23050 transitions. [2018-12-08 22:43:00,564 INFO L78 Accepts]: Start accepts. Automaton has 9013 states and 23050 transitions. Word has length 112 [2018-12-08 22:43:00,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:43:00,564 INFO L480 AbstractCegarLoop]: Abstraction has 9013 states and 23050 transitions. [2018-12-08 22:43:00,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:43:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9013 states and 23050 transitions. [2018-12-08 22:43:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 22:43:00,570 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:43:00,571 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:43:00,571 INFO L423 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:43:00,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:43:00,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1104904784, now seen corresponding path program 1 times [2018-12-08 22:43:00,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:43:00,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:43:00,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:43:00,573 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 22:43:00,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:43:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:43:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:43:00,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:43:00,634 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:43:00,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:43:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:43:00,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:43:00,702 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:43:00,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:43:00,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 11 [2018-12-08 22:43:00,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 22:43:00,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 22:43:00,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:43:00,729 INFO L87 Difference]: Start difference. First operand 9013 states and 23050 transitions. Second operand 11 states. [2018-12-08 22:43:00,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:43:00,868 INFO L93 Difference]: Finished difference Result 11140 states and 28246 transitions. [2018-12-08 22:43:00,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 22:43:00,869 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 117 [2018-12-08 22:43:00,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:43:00,882 INFO L225 Difference]: With dead ends: 11140 [2018-12-08 22:43:00,882 INFO L226 Difference]: Without dead ends: 11140 [2018-12-08 22:43:00,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-12-08 22:43:00,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11140 states. [2018-12-08 22:43:00,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11140 to 9142. [2018-12-08 22:43:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9142 states. [2018-12-08 22:43:01,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9142 states to 9142 states and 23407 transitions. [2018-12-08 22:43:01,002 INFO L78 Accepts]: Start accepts. Automaton has 9142 states and 23407 transitions. Word has length 117 [2018-12-08 22:43:01,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:43:01,002 INFO L480 AbstractCegarLoop]: Abstraction has 9142 states and 23407 transitions. [2018-12-08 22:43:01,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 22:43:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 9142 states and 23407 transitions. [2018-12-08 22:43:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 22:43:01,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:43:01,008 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:43:01,009 INFO L423 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:43:01,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:43:01,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1780067451, now seen corresponding path program 1 times [2018-12-08 22:43:01,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 22:43:01,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 22:43:01,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:43:01,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:43:01,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:43:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:43:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:43:01,059 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 22:43:01,116 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-08 22:43:01,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:43:01 BasicIcfg [2018-12-08 22:43:01,117 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:43:01,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:43:01,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:43:01,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:43:01,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:42:55" (3/4) ... [2018-12-08 22:43:01,119 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 22:43:01,174 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e35f3b06-b472-4592-9735-615a380f4781/bin-2019/uautomizer/witness.graphml [2018-12-08 22:43:01,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:43:01,175 INFO L168 Benchmark]: Toolchain (without parser) took 6731.35 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 950.6 MB in the beginning and 965.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 327.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:43:01,176 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:43:01,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:43:01,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:43:01,177 INFO L168 Benchmark]: Boogie Preprocessor took 17.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:43:01,177 INFO L168 Benchmark]: RCFGBuilder took 272.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 992.3 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:43:01,178 INFO L168 Benchmark]: TraceAbstraction took 5931.56 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 992.3 MB in the beginning and 1.0 GB in the end (delta: -11.5 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:43:01,178 INFO L168 Benchmark]: Witness Printer took 57.38 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 965.1 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:43:01,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -85.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 272.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 992.3 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5931.56 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 992.3 MB in the beginning and 1.0 GB in the end (delta: -11.5 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. * Witness Printer took 57.38 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 965.1 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1860]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1853] -1 static int top=0; VAL [top=0] [L1854] -1 static unsigned int arr[(5)]; VAL [arr={4294967299:0}, top=0] [L1855] -1 pthread_mutex_t m; VAL [arr={4294967299:0}, m={4294967302:0}, top=0] [L1856] -1 _Bool flag=(0); VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1952] -1 pthread_t id1, id2; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1956] FCALL, FORK -1 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1916] 0 int i; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1957] FCALL, FORK -1 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1934] 1 int i; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1936] 1 i=0 VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1917] 0 unsigned int tmp; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1919] 0 i=0 VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1936] COND TRUE 1 i<(5) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1919] COND TRUE 0 i<(5) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1922] 0 tmp = __VERIFIER_nondet_uint() VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1886] COND FALSE 0 !(top==(5)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1876] 0 return top; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1893] 0 stack[get_top()] = x VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=0] [L1866] 0 top++ VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=1] [L1896] 0 return 0; VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=1] [L1924] COND FALSE 0 !(push(arr,tmp)==(-1)) VAL [arr={4294967299:0}, flag=0, m={4294967302:0}, top=1] [L1926] 0 flag=(1) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1939] COND TRUE 1 \read(flag) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1876] 1 return top; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1901] COND FALSE 1 !(get_top()==0) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=1] [L1871] 1 top-- VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1876] 1 return top; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1909] EXPR 1 stack[get_top()] VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1909] 1 return stack[get_top()]; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1941] COND FALSE 1 !(!(pop(arr)!=(-2))) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1936] 1 i++ VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1936] COND TRUE 1 i<(5) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1939] COND TRUE 1 \read(flag) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1876] 1 return top; VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1901] COND TRUE 1 get_top()==0 VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1904] 1 return (-2); VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1941] COND TRUE 1 !(pop(arr)!=(-2)) VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] [L1860] 1 __VERIFIER_error() VAL [arr={4294967299:0}, flag=1, m={4294967302:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 223 locations, 4 error locations. UNSAFE Result, 5.8s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1917 SDtfs, 2490 SDslu, 10838 SDs, 0 SdLazy, 2277 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 577 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9718occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 16299 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1158 NumberOfCodeBlocks, 1158 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1027 ConstructedInterpolants, 0 QuantifiedInterpolants, 350385 SizeOfPredicates, 15 NumberOfNonLiveVariables, 683 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 55/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...