/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 03:48:55,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 03:48:55,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 03:48:55,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 03:48:55,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 03:48:55,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 03:48:55,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 03:48:55,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 03:48:55,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 03:48:55,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 03:48:55,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 03:48:55,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 03:48:55,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 03:48:55,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 03:48:55,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 03:48:55,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 03:48:55,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 03:48:55,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 03:48:55,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 03:48:55,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 03:48:55,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 03:48:55,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 03:48:55,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 03:48:55,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 03:48:55,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 03:48:55,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 03:48:55,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 03:48:55,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 03:48:55,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 03:48:55,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 03:48:55,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 03:48:55,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 03:48:55,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 03:48:55,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 03:48:55,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 03:48:55,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 03:48:55,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 03:48:55,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 03:48:55,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 03:48:55,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 03:48:55,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 03:48:55,539 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-PN-NoLbe.epf [2021-03-11 03:48:55,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 03:48:55,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 03:48:55,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 03:48:55,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 03:48:55,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 03:48:55,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 03:48:55,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 03:48:55,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 03:48:55,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 03:48:55,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 03:48:55,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 03:48:55,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 03:48:55,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 03:48:55,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 03:48:55,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 03:48:55,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 03:48:55,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 03:48:55,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 03:48:55,763 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 03:48:55,763 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 03:48:55,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-03-11 03:48:55,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a723f2a8/5b65514c2ffb4d669ae869950f7247b6/FLAGf63006d46 [2021-03-11 03:48:56,231 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 03:48:56,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2021-03-11 03:48:56,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a723f2a8/5b65514c2ffb4d669ae869950f7247b6/FLAGf63006d46 [2021-03-11 03:48:56,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a723f2a8/5b65514c2ffb4d669ae869950f7247b6 [2021-03-11 03:48:56,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 03:48:56,261 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 03:48:56,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 03:48:56,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 03:48:56,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 03:48:56,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbaf198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56, skipping insertion in model container [2021-03-11 03:48:56,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 03:48:56,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 03:48:56,494 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-03-11 03:48:56,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 03:48:56,516 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 03:48:56,546 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[29913,29926] [2021-03-11 03:48:56,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 03:48:56,613 INFO L208 MainTranslator]: Completed translation [2021-03-11 03:48:56,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56 WrapperNode [2021-03-11 03:48:56,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 03:48:56,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 03:48:56,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 03:48:56,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 03:48:56,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 03:48:56,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 03:48:56,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 03:48:56,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 03:48:56,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (1/1) ... [2021-03-11 03:48:56,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 03:48:56,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 03:48:56,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 03:48:56,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 03:48:56,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (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 [2021-03-11 03:48:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 03:48:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 03:48:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 03:48:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 03:48:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-03-11 03:48:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-03-11 03:48:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 03:48:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 03:48:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 03:48:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 03:48:56,707 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 03:48:56,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 03:48:56,935 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-03-11 03:48:56,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 03:48:56 BoogieIcfgContainer [2021-03-11 03:48:56,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 03:48:56,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 03:48:56,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 03:48:56,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 03:48:56,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 03:48:56" (1/3) ... [2021-03-11 03:48:56,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ece14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 03:48:56, skipping insertion in model container [2021-03-11 03:48:56,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 03:48:56" (2/3) ... [2021-03-11 03:48:56,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ece14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 03:48:56, skipping insertion in model container [2021-03-11 03:48:56,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 03:48:56" (3/3) ... [2021-03-11 03:48:56,940 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2021-03-11 03:48:56,943 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 03:48:56,946 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 03:48:56,946 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 03:48:56,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,976 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,983 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,983 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,989 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 03:48:56,999 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 03:48:57,011 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 03:48:57,037 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 03:48:57,037 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 03:48:57,037 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 03:48:57,037 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 03:48:57,037 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 03:48:57,037 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 03:48:57,038 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 03:48:57,038 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 03:48:57,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 96 transitions, 200 flow [2021-03-11 03:48:57,100 INFO L129 PetriNetUnfolder]: 9/95 cut-off events. [2021-03-11 03:48:57,100 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 03:48:57,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 9/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 144 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 54. Up to 3 conditions per place. [2021-03-11 03:48:57,111 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 96 transitions, 200 flow [2021-03-11 03:48:57,116 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 86 transitions, 175 flow [2021-03-11 03:48:57,133 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2021-03-11 03:48:57,134 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 03:48:57,134 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:48:57,137 INFO L255 CegarLoopForPetriNet]: 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] [2021-03-11 03:48:57,138 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:48:57,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:48:57,142 INFO L82 PathProgramCache]: Analyzing trace with hash 306298281, now seen corresponding path program 1 times [2021-03-11 03:48:57,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:48:57,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009772190] [2021-03-11 03:48:57,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:48:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:48:57,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:48:57,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 03:48:57,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 03:48:57,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 03:48:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:48:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:48:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 03:48:57,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 03:48:57,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:48:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:48:57,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009772190] [2021-03-11 03:48:57,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:48:57,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-11 03:48:57,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773793568] [2021-03-11 03:48:57,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 03:48:57,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:48:57,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 03:48:57,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-11 03:48:57,396 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 96 [2021-03-11 03:48:57,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 86 transitions, 175 flow. Second operand has 9 states, 9 states have (on average 44.77777777777778) internal successors, (403), 9 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:48:57,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 96 [2021-03-11 03:48:57,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:48:57,651 INFO L129 PetriNetUnfolder]: 41/287 cut-off events. [2021-03-11 03:48:57,651 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 03:48:57,652 INFO L84 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 287 events. 41/287 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1356 event pairs, 10 based on Foata normal form. 96/379 useless extension candidates. Maximal degree in co-relation 359. Up to 29 conditions per place. [2021-03-11 03:48:57,653 INFO L132 encePairwiseOnDemand]: 77/96 looper letters, 34 selfloop transitions, 4 changer transitions 37/107 dead transitions. [2021-03-11 03:48:57,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 107 transitions, 361 flow [2021-03-11 03:48:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-11 03:48:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-11 03:48:57,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 688 transitions. [2021-03-11 03:48:57,668 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5119047619047619 [2021-03-11 03:48:57,669 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 688 transitions. [2021-03-11 03:48:57,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 688 transitions. [2021-03-11 03:48:57,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:48:57,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 688 transitions. [2021-03-11 03:48:57,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 49.142857142857146) internal successors, (688), 14 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 96.0) internal successors, (1440), 15 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,680 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 96.0) internal successors, (1440), 15 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,681 INFO L185 Difference]: Start difference. First operand has 81 places, 86 transitions, 175 flow. Second operand 14 states and 688 transitions. [2021-03-11 03:48:57,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 107 transitions, 361 flow [2021-03-11 03:48:57,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 107 transitions, 360 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 03:48:57,685 INFO L241 Difference]: Finished difference. Result has 99 places, 70 transitions, 166 flow [2021-03-11 03:48:57,686 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=166, PETRI_PLACES=99, PETRI_TRANSITIONS=70} [2021-03-11 03:48:57,687 INFO L335 CegarLoopForPetriNet]: 81 programPoint places, 18 predicate places. [2021-03-11 03:48:57,687 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 70 transitions, 166 flow [2021-03-11 03:48:57,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 44.77777777777778) internal successors, (403), 9 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,687 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:48:57,687 INFO L255 CegarLoopForPetriNet]: 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] [2021-03-11 03:48:57,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 03:48:57,688 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:48:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:48:57,688 INFO L82 PathProgramCache]: Analyzing trace with hash -498944193, now seen corresponding path program 1 times [2021-03-11 03:48:57,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:48:57,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626254019] [2021-03-11 03:48:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:48:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 03:48:57,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:48:57,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 03:48:57,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 03:48:57,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-11 03:48:57,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 03:48:57,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 03:48:57,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 03:48:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 03:48:57,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626254019] [2021-03-11 03:48:57,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 03:48:57,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 03:48:57,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743162453] [2021-03-11 03:48:57,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 03:48:57,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 03:48:57,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 03:48:57,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-11 03:48:57,770 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 96 [2021-03-11 03:48:57,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 70 transitions, 166 flow. Second operand has 6 states, 6 states have (on average 66.66666666666667) internal successors, (400), 6 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 03:48:57,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 96 [2021-03-11 03:48:57,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 03:48:57,850 INFO L129 PetriNetUnfolder]: 7/122 cut-off events. [2021-03-11 03:48:57,850 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-11 03:48:57,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 122 events. 7/122 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 159 event pairs, 4 based on Foata normal form. 4/123 useless extension candidates. Maximal degree in co-relation 178. Up to 20 conditions per place. [2021-03-11 03:48:57,852 INFO L132 encePairwiseOnDemand]: 88/96 looper letters, 14 selfloop transitions, 8 changer transitions 1/73 dead transitions. [2021-03-11 03:48:57,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 73 transitions, 218 flow [2021-03-11 03:48:57,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 03:48:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 03:48:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 346 transitions. [2021-03-11 03:48:57,856 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7208333333333333 [2021-03-11 03:48:57,856 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 346 transitions. [2021-03-11 03:48:57,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 346 transitions. [2021-03-11 03:48:57,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 03:48:57,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 346 transitions. [2021-03-11 03:48:57,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 69.2) internal successors, (346), 5 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,860 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,860 INFO L185 Difference]: Start difference. First operand has 99 places, 70 transitions, 166 flow. Second operand 5 states and 346 transitions. [2021-03-11 03:48:57,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 73 transitions, 218 flow [2021-03-11 03:48:57,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 198 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-03-11 03:48:57,864 INFO L241 Difference]: Finished difference. Result has 79 places, 71 transitions, 172 flow [2021-03-11 03:48:57,864 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=96, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=172, PETRI_PLACES=79, PETRI_TRANSITIONS=71} [2021-03-11 03:48:57,865 INFO L335 CegarLoopForPetriNet]: 81 programPoint places, -2 predicate places. [2021-03-11 03:48:57,865 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 71 transitions, 172 flow [2021-03-11 03:48:57,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 66.66666666666667) internal successors, (400), 6 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 03:48:57,865 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 03:48:57,865 INFO L255 CegarLoopForPetriNet]: 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] [2021-03-11 03:48:57,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 03:48:57,866 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 03:48:57,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 03:48:57,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1433475019, now seen corresponding path program 1 times [2021-03-11 03:48:57,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 03:48:57,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797205311] [2021-03-11 03:48:57,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 03:48:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 03:48:57,911 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 03:48:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 03:48:57,926 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 03:48:57,943 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 03:48:57,943 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 03:48:57,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 03:48:57,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 03:48:57 BasicIcfg [2021-03-11 03:48:57,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 03:48:57,984 INFO L168 Benchmark]: Toolchain (without parser) took 1725.09 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 235.2 MB in the beginning and 279.5 MB in the end (delta: -44.3 MB). Peak memory consumption was 63.7 MB. Max. memory is 16.0 GB. [2021-03-11 03:48:57,984 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 03:48:57,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.23 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.6 MB in the beginning and 326.5 MB in the end (delta: -91.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-11 03:48:57,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.33 ms. Allocated memory is still 362.8 MB. Free memory was 325.7 MB in the beginning and 324.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 03:48:57,985 INFO L168 Benchmark]: Boogie Preprocessor took 16.01 ms. Allocated memory is still 362.8 MB. Free memory was 324.4 MB in the beginning and 323.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 03:48:57,985 INFO L168 Benchmark]: RCFGBuilder took 280.89 ms. Allocated memory is still 362.8 MB. Free memory was 322.3 MB in the beginning and 297.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-11 03:48:57,986 INFO L168 Benchmark]: TraceAbstraction took 1046.59 ms. Allocated memory is still 362.8 MB. Free memory was 296.4 MB in the beginning and 279.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.0 GB. [2021-03-11 03:48:57,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 352.23 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 234.6 MB in the beginning and 326.5 MB in the end (delta: -91.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.33 ms. Allocated memory is still 362.8 MB. Free memory was 325.7 MB in the beginning and 324.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.01 ms. Allocated memory is still 362.8 MB. Free memory was 324.4 MB in the beginning and 323.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 280.89 ms. Allocated memory is still 362.8 MB. Free memory was 322.3 MB in the beginning and 297.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1046.59 ms. Allocated memory is still 362.8 MB. Free memory was 296.4 MB in the beginning and 279.5 MB in the end (delta: 16.9 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 684]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L689] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}] [L690] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}] [L691] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L700] 0 pthread_t id; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L701] 0 int i = 0; VAL [__global_lock={7:0}, mutex1={9:0}, mutex2={10:0}] [L702] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={7:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}] [L693] 1 int *p = (int *) arg; VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] EXPR 1 \read(*p) VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L695] 1 (*p)++ VAL [\read(*p)=0, __global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L704] 0 \read(i) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] COND TRUE 0 !(cond) VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] [L684] 0 reach_error() VAL [__global_lock={7:0}, arg={3:0}, arg={3:0}, mutex1={9:0}, mutex2={10:0}, p={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 910.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 393.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 78.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41 SDtfs, 116 SDslu, 154 SDs, 0 SdLazy, 176 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 88.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 178.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.9ms SsaConstructionTime, 102.5ms SatisfiabilityAnalysisTime, 162.7ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...