/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:49:12,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:49:12,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:49:12,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:49:12,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:49:12,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:49:12,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:49:12,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:49:12,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:49:12,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:49:12,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:49:12,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:49:12,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:49:12,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:49:12,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:49:12,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:49:12,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:49:12,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:49:12,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:49:12,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:49:12,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:49:12,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:49:12,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:49:12,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:49:12,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-19 05:49:12,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-19 05:49:12,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-19 05:49:12,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-19 05:49:12,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-19 05:49:12,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-19 05:49:12,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:49:12,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:49:12,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:49:12,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:49:12,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:49:12,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:49:12,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:49:12,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:49:12,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:49:12,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:49:12,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:49:12,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 05:49:12,758 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:49:12,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:49:12,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:49:12,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:49:12,761 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:49:12,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:49:12,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:49:12,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:49:12,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:49:12,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:49:12,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:49:12,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:49:12,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:49:12,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:49:12,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:49:12,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:49:12,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:49:12,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:49:12,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:49:12,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:49:12,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:49:12,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:49:12,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:49:12,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:49:12,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:49:12,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:49:12,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:49:12,767 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:49:12,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:49:12,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:49:13,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:49:13,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:49:13,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:49:13,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:49:13,070 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:49:13,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-2.i [2019-12-19 05:49:13,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77801291/370e04e3919946d880a7a1302b597b38/FLAGb55916fef [2019-12-19 05:49:13,747 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:49:13,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-2.i [2019-12-19 05:49:13,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77801291/370e04e3919946d880a7a1302b597b38/FLAGb55916fef [2019-12-19 05:49:13,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77801291/370e04e3919946d880a7a1302b597b38 [2019-12-19 05:49:13,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:49:13,991 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:49:13,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:49:13,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:49:13,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:49:13,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:49:13" (1/1) ... [2019-12-19 05:49:14,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4a1e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:13, skipping insertion in model container [2019-12-19 05:49:14,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:49:13" (1/1) ... [2019-12-19 05:49:14,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:49:14,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:49:14,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:49:14,704 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:49:14,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:49:14,985 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:49:14,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14 WrapperNode [2019-12-19 05:49:14,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:49:14,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:49:14,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:49:14,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:49:14,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:49:15,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:49:15,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:49:15,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:49:15,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... [2019-12-19 05:49:15,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:49:15,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:49:15,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:49:15,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:49:15,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-12-19 05:49:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:49:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:49:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-19 05:49:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2019-12-19 05:49:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2019-12-19 05:49:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:49:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:49:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:49:15,178 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:49:15,643 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:49:15,643 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 05:49:15,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:49:15 BoogieIcfgContainer [2019-12-19 05:49:15,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:49:15,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:49:15,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:49:15,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:49:15,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:49:13" (1/3) ... [2019-12-19 05:49:15,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76596f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:49:15, skipping insertion in model container [2019-12-19 05:49:15,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:49:14" (2/3) ... [2019-12-19 05:49:15,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76596f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:49:15, skipping insertion in model container [2019-12-19 05:49:15,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:49:15" (3/3) ... [2019-12-19 05:49:15,653 INFO L109 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-2.i [2019-12-19 05:49:15,663 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:49:15,663 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:49:15,671 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 05:49:15,672 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:49:15,697 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,697 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,698 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,698 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,698 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,698 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,699 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,699 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,699 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,700 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,700 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,700 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,700 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,700 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,701 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,701 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,701 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,701 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,702 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,702 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,702 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,706 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,706 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,707 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,707 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,707 WARN L315 ript$VariableManager]: TermVariabe |thread_function_dataraceThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,707 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,708 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,708 WARN L315 ript$VariableManager]: TermVariabe thread_function_dataraceThread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:49:15,729 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-19 05:49:15,750 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:49:15,750 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:49:15,750 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:49:15,750 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:49:15,751 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:49:15,751 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:49:15,751 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:49:15,751 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:49:15,764 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 85 transitions [2019-12-19 05:49:15,787 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 316 states. [2019-12-19 05:49:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2019-12-19 05:49:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-19 05:49:15,805 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:49:15,807 INFO L411 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] [2019-12-19 05:49:15,807 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:49:15,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:49:15,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1364798605, now seen corresponding path program 1 times [2019-12-19 05:49:15,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:49:15,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465686764] [2019-12-19 05:49:15,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:49:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:49:16,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465686764] [2019-12-19 05:49:16,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:49:16,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-19 05:49:16,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478258005] [2019-12-19 05:49:16,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-19 05:49:16,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:49:16,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-19 05:49:16,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-19 05:49:16,101 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 2 states. [2019-12-19 05:49:16,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:49:16,129 INFO L93 Difference]: Finished difference Result 309 states and 579 transitions. [2019-12-19 05:49:16,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-19 05:49:16,130 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 54 [2019-12-19 05:49:16,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:49:16,150 INFO L225 Difference]: With dead ends: 309 [2019-12-19 05:49:16,150 INFO L226 Difference]: Without dead ends: 276 [2019-12-19 05:49:16,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-19 05:49:16,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-12-19 05:49:16,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-12-19 05:49:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-12-19 05:49:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 516 transitions. [2019-12-19 05:49:16,212 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 516 transitions. Word has length 54 [2019-12-19 05:49:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:49:16,214 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 516 transitions. [2019-12-19 05:49:16,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-19 05:49:16,214 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 516 transitions. [2019-12-19 05:49:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-19 05:49:16,222 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:49:16,223 INFO L411 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] [2019-12-19 05:49:16,223 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:49:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:49:16,223 INFO L82 PathProgramCache]: Analyzing trace with hash 839814325, now seen corresponding path program 1 times [2019-12-19 05:49:16,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:49:16,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929023071] [2019-12-19 05:49:16,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:49:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:49:16,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929023071] [2019-12-19 05:49:16,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:49:16,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:49:16,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436839886] [2019-12-19 05:49:16,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:49:16,391 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:49:16,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:49:16,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:49:16,392 INFO L87 Difference]: Start difference. First operand 276 states and 516 transitions. Second operand 3 states. [2019-12-19 05:49:16,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:49:16,443 INFO L93 Difference]: Finished difference Result 336 states and 636 transitions. [2019-12-19 05:49:16,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:49:16,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-12-19 05:49:16,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:49:16,447 INFO L225 Difference]: With dead ends: 336 [2019-12-19 05:49:16,447 INFO L226 Difference]: Without dead ends: 336 [2019-12-19 05:49:16,448 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 [2019-12-19 05:49:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-12-19 05:49:16,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 291. [2019-12-19 05:49:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-12-19 05:49:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 546 transitions. [2019-12-19 05:49:16,476 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 546 transitions. Word has length 54 [2019-12-19 05:49:16,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:49:16,476 INFO L462 AbstractCegarLoop]: Abstraction has 291 states and 546 transitions. [2019-12-19 05:49:16,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:49:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 546 transitions. [2019-12-19 05:49:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-19 05:49:16,479 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:49:16,480 INFO L411 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] [2019-12-19 05:49:16,480 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:49:16,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:49:16,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1623937585, now seen corresponding path program 1 times [2019-12-19 05:49:16,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:49:16,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752349300] [2019-12-19 05:49:16,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:49:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:16,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:49:16,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752349300] [2019-12-19 05:49:16,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703239092] [2019-12-19 05:49:16,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:49:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:16,736 INFO L264 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-19 05:49:16,744 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:49:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-19 05:49:16,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-19 05:49:16,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-12-19 05:49:16,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112616005] [2019-12-19 05:49:16,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:49:16,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:49:16,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:49:16,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:49:16,809 INFO L87 Difference]: Start difference. First operand 291 states and 546 transitions. Second operand 3 states. [2019-12-19 05:49:16,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:49:16,834 INFO L93 Difference]: Finished difference Result 410 states and 784 transitions. [2019-12-19 05:49:16,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:49:16,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-12-19 05:49:16,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:49:16,837 INFO L225 Difference]: With dead ends: 410 [2019-12-19 05:49:16,838 INFO L226 Difference]: Without dead ends: 410 [2019-12-19 05:49:16,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:49:16,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-12-19 05:49:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 308. [2019-12-19 05:49:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-12-19 05:49:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 580 transitions. [2019-12-19 05:49:16,857 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 580 transitions. Word has length 59 [2019-12-19 05:49:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:49:16,857 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 580 transitions. [2019-12-19 05:49:16,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:49:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 580 transitions. [2019-12-19 05:49:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-19 05:49:16,861 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:49:16,861 INFO L411 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] [2019-12-19 05:49:17,076 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:49:17,077 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:49:17,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:49:17,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1987360426, now seen corresponding path program 1 times [2019-12-19 05:49:17,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:49:17,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165309808] [2019-12-19 05:49:17,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:49:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:49:17,205 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165309808] [2019-12-19 05:49:17,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475360755] [2019-12-19 05:49:17,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:49:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:17,328 INFO L264 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-19 05:49:17,339 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:49:17,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-19 05:49:17,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:49:17,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-12-19 05:49:17,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310499102] [2019-12-19 05:49:17,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 05:49:17,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:49:17,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 05:49:17,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:49:17,402 INFO L87 Difference]: Start difference. First operand 308 states and 580 transitions. Second operand 8 states. [2019-12-19 05:49:17,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:49:17,902 INFO L93 Difference]: Finished difference Result 786 states and 1536 transitions. [2019-12-19 05:49:17,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-12-19 05:49:17,903 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 67 [2019-12-19 05:49:17,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:49:17,909 INFO L225 Difference]: With dead ends: 786 [2019-12-19 05:49:17,909 INFO L226 Difference]: Without dead ends: 786 [2019-12-19 05:49:17,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=220, Invalid=536, Unknown=0, NotChecked=0, Total=756 [2019-12-19 05:49:17,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-12-19 05:49:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 564. [2019-12-19 05:49:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-12-19 05:49:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1092 transitions. [2019-12-19 05:49:17,937 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1092 transitions. Word has length 67 [2019-12-19 05:49:17,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:49:17,939 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 1092 transitions. [2019-12-19 05:49:17,939 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 05:49:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1092 transitions. [2019-12-19 05:49:17,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-19 05:49:17,945 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:49:17,946 INFO L411 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] [2019-12-19 05:49:18,149 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:49:18,150 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:49:18,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:49:18,150 INFO L82 PathProgramCache]: Analyzing trace with hash -618928129, now seen corresponding path program 2 times [2019-12-19 05:49:18,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:49:18,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306680657] [2019-12-19 05:49:18,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:49:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:49:18,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306680657] [2019-12-19 05:49:18,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3433065] [2019-12-19 05:49:18,634 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:49:18,734 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-12-19 05:49:18,735 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-19 05:49:18,737 INFO L264 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-19 05:49:18,751 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:49:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-19 05:49:18,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:49:18,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 7] total 30 [2019-12-19 05:49:18,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234267594] [2019-12-19 05:49:18,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-12-19 05:49:18,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:49:18,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-12-19 05:49:18,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=762, Unknown=0, NotChecked=0, Total=870 [2019-12-19 05:49:18,896 INFO L87 Difference]: Start difference. First operand 564 states and 1092 transitions. Second operand 30 states. [2019-12-19 05:49:32,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:49:32,550 INFO L93 Difference]: Finished difference Result 2699 states and 5350 transitions. [2019-12-19 05:49:32,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2019-12-19 05:49:32,551 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 80 [2019-12-19 05:49:32,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:49:32,570 INFO L225 Difference]: With dead ends: 2699 [2019-12-19 05:49:32,570 INFO L226 Difference]: Without dead ends: 2699 [2019-12-19 05:49:32,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 345 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56657 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=17463, Invalid=102599, Unknown=0, NotChecked=0, Total=120062 [2019-12-19 05:49:32,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2019-12-19 05:49:32,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 740. [2019-12-19 05:49:32,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2019-12-19 05:49:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1444 transitions. [2019-12-19 05:49:32,674 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1444 transitions. Word has length 80 [2019-12-19 05:49:32,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:49:32,677 INFO L462 AbstractCegarLoop]: Abstraction has 740 states and 1444 transitions. [2019-12-19 05:49:32,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-12-19 05:49:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1444 transitions. [2019-12-19 05:49:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-12-19 05:49:32,679 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:49:32,679 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:49:32,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:49:32,884 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:49:32,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:49:32,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1310164484, now seen corresponding path program 3 times [2019-12-19 05:49:32,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:49:32,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417039490] [2019-12-19 05:49:32,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:49:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:49:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:49:33,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417039490] [2019-12-19 05:49:33,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240100843] [2019-12-19 05:49:33,497 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:49:33,578 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-12-19 05:49:33,579 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-19 05:49:33,580 INFO L264 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-19 05:49:33,582 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:49:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-19 05:49:33,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:49:33,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 7] total 35 [2019-12-19 05:49:33,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620372670] [2019-12-19 05:49:33,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-12-19 05:49:33,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:49:33,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-12-19 05:49:33,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1054, Unknown=0, NotChecked=0, Total=1190 [2019-12-19 05:49:33,709 INFO L87 Difference]: Start difference. First operand 740 states and 1444 transitions. Second operand 35 states. [2019-12-19 05:50:05,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:50:05,044 INFO L93 Difference]: Finished difference Result 5721 states and 11449 transitions. [2019-12-19 05:50:05,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 618 states. [2019-12-19 05:50:05,045 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 88 [2019-12-19 05:50:05,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:50:05,073 INFO L225 Difference]: With dead ends: 5721 [2019-12-19 05:50:05,073 INFO L226 Difference]: Without dead ends: 5709 [2019-12-19 05:50:05,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1177 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 632 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207878 ImplicationChecksByTransitivity, 28.1s TimeCoverageRelationStatistics Valid=60910, Invalid=340412, Unknown=0, NotChecked=0, Total=401322 [2019-12-19 05:50:05,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5709 states. [2019-12-19 05:50:05,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5709 to 1183. [2019-12-19 05:50:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-12-19 05:50:05,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2341 transitions. [2019-12-19 05:50:05,160 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2341 transitions. Word has length 88 [2019-12-19 05:50:05,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:50:05,161 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 2341 transitions. [2019-12-19 05:50:05,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-12-19 05:50:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2341 transitions. [2019-12-19 05:50:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-19 05:50:05,167 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:50:05,167 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:50:05,379 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:50:05,379 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:50:05,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:50:05,379 INFO L82 PathProgramCache]: Analyzing trace with hash 900607456, now seen corresponding path program 4 times [2019-12-19 05:50:05,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:50:05,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940080419] [2019-12-19 05:50:05,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:50:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:50:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:50:05,840 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940080419] [2019-12-19 05:50:05,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076719888] [2019-12-19 05:50:05,841 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:50:05,936 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-12-19 05:50:05,937 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-19 05:50:05,938 INFO L264 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-19 05:50:05,940 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:50:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-19 05:50:06,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:50:06,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 9] total 40 [2019-12-19 05:50:06,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647513968] [2019-12-19 05:50:06,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-12-19 05:50:06,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:50:06,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-12-19 05:50:06,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1385, Unknown=0, NotChecked=0, Total=1560 [2019-12-19 05:50:06,102 INFO L87 Difference]: Start difference. First operand 1183 states and 2341 transitions. Second operand 40 states. [2019-12-19 05:50:24,058 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2019-12-19 05:50:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:50:49,011 INFO L93 Difference]: Finished difference Result 6186 states and 12304 transitions. [2019-12-19 05:50:49,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 828 states. [2019-12-19 05:50:49,012 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 93 [2019-12-19 05:50:49,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:50:49,040 INFO L225 Difference]: With dead ends: 6186 [2019-12-19 05:50:49,040 INFO L226 Difference]: Without dead ends: 6186 [2019-12-19 05:50:49,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 853 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379760 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=96453, Invalid=633717, Unknown=0, NotChecked=0, Total=730170 [2019-12-19 05:50:49,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2019-12-19 05:50:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 1116. [2019-12-19 05:50:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-12-19 05:50:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2196 transitions. [2019-12-19 05:50:49,115 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2196 transitions. Word has length 93 [2019-12-19 05:50:49,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:50:49,116 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 2196 transitions. [2019-12-19 05:50:49,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-12-19 05:50:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2196 transitions. [2019-12-19 05:50:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-19 05:50:49,119 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:50:49,119 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:50:49,323 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:50:49,323 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:50:49,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:50:49,324 INFO L82 PathProgramCache]: Analyzing trace with hash -27770885, now seen corresponding path program 5 times [2019-12-19 05:50:49,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:50:49,324 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988759804] [2019-12-19 05:50:49,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:50:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:50:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:50:50,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988759804] [2019-12-19 05:50:50,022 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945420672] [2019-12-19 05:50:50,022 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:50:50,080 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-12-19 05:50:50,080 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-19 05:50:50,081 INFO L264 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-19 05:50:50,082 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:50:50,259 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-19 05:50:50,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:50:50,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 9] total 45 [2019-12-19 05:50:50,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434312439] [2019-12-19 05:50:50,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2019-12-19 05:50:50,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:50:50,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2019-12-19 05:50:50,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1770, Unknown=0, NotChecked=0, Total=1980 [2019-12-19 05:50:50,262 INFO L87 Difference]: Start difference. First operand 1116 states and 2196 transitions. Second operand 45 states. [2019-12-19 05:50:53,335 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2019-12-19 05:51:09,186 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 15 [2019-12-19 05:52:38,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:52:38,541 INFO L93 Difference]: Finished difference Result 13210 states and 26653 transitions. [2019-12-19 05:52:38,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1540 states. [2019-12-19 05:52:38,542 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 101 [2019-12-19 05:52:38,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:52:38,588 INFO L225 Difference]: With dead ends: 13210 [2019-12-19 05:52:38,588 INFO L226 Difference]: Without dead ends: 13186 [2019-12-19 05:52:38,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2755 GetRequests, 1177 SyntacticMatches, 20 SemanticMatches, 1558 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355381 ImplicationChecksByTransitivity, 100.9s TimeCoverageRelationStatistics Valid=333038, Invalid=2099002, Unknown=0, NotChecked=0, Total=2432040 [2019-12-19 05:52:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13186 states. [2019-12-19 05:52:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13186 to 1850. [2019-12-19 05:52:38,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1850 states. [2019-12-19 05:52:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 3686 transitions. [2019-12-19 05:52:38,756 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 3686 transitions. Word has length 101 [2019-12-19 05:52:38,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:52:38,756 INFO L462 AbstractCegarLoop]: Abstraction has 1850 states and 3686 transitions. [2019-12-19 05:52:38,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 45 states. [2019-12-19 05:52:38,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 3686 transitions. [2019-12-19 05:52:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-19 05:52:38,761 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:52:38,762 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:52:38,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:52:38,965 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:52:38,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:52:38,965 INFO L82 PathProgramCache]: Analyzing trace with hash 58070601, now seen corresponding path program 6 times [2019-12-19 05:52:38,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:52:38,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911353353] [2019-12-19 05:52:38,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:52:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:52:40,010 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 3 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:52:40,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911353353] [2019-12-19 05:52:40,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112271098] [2019-12-19 05:52:40,011 INFO L92 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:52:40,095 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2019-12-19 05:52:40,095 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-19 05:52:40,096 INFO L264 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-19 05:52:40,097 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-19 05:52:40,353 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-19 05:52:40,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-19 05:52:40,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 11] total 50 [2019-12-19 05:52:40,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441853190] [2019-12-19 05:52:40,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2019-12-19 05:52:40,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:52:40,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2019-12-19 05:52:40,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=2192, Unknown=0, NotChecked=0, Total=2450 [2019-12-19 05:52:40,356 INFO L87 Difference]: Start difference. First operand 1850 states and 3686 transitions. Second operand 50 states. [2019-12-19 05:52:48,345 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 18 Received shutdown request... [2019-12-19 05:53:24,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 789 states. [2019-12-19 05:53:24,647 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-19 05:53:24,648 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 05:53:24,653 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 05:53:24,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:53:24 BasicIcfg [2019-12-19 05:53:24,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:53:24,655 INFO L168 Benchmark]: Toolchain (without parser) took 250664.42 ms. Allocated memory was 145.2 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 100.2 MB in the beginning and 572.9 MB in the end (delta: -472.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-12-19 05:53:24,656 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-19 05:53:24,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 993.59 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 107.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2019-12-19 05:53:24,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.54 ms. Allocated memory is still 202.9 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:53:24,659 INFO L168 Benchmark]: Boogie Preprocessor took 44.03 ms. Allocated memory is still 202.9 MB. Free memory was 105.7 MB in the beginning and 103.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:53:24,659 INFO L168 Benchmark]: RCFGBuilder took 529.54 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 103.6 MB in the beginning and 195.8 MB in the end (delta: -92.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-12-19 05:53:24,660 INFO L168 Benchmark]: TraceAbstraction took 249008.02 ms. Allocated memory was 235.9 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 195.8 MB in the beginning and 572.9 MB in the end (delta: -377.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-12-19 05:53:24,665 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 993.59 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 107.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 83.54 ms. Allocated memory is still 202.9 MB. Free memory was 107.8 MB in the beginning and 105.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.03 ms. Allocated memory is still 202.9 MB. Free memory was 105.7 MB in the beginning and 103.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 529.54 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 103.6 MB in the beginning and 195.8 MB in the end (delta: -92.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249008.02 ms. Allocated memory was 235.9 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 195.8 MB in the beginning and 572.9 MB in the end (delta: -377.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 2]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 2). Cancelled while BasicCegarLoop was constructing difference of abstraction (1850states) and FLOYD_HOARE automaton (currently 789 states, 50 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 831 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 1 error locations. Result: TIMEOUT, OverallTime: 248.9s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 241.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 945 SDtfs, 13967 SDslu, 18194 SDs, 0 SdLazy, 14367 SolverSat, 5734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6451 GetRequests, 2182 SyntacticMatches, 20 SemanticMatches, 4248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2348006 ImplicationChecksByTransitivity, 222.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1850occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 23260 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1296 NumberOfCodeBlocks, 1245 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1280 ConstructedInterpolants, 0 QuantifiedInterpolants, 283934 SizeOfPredicates, 37 NumberOfNonLiveVariables, 1286 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 152/510 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown