/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-New_States.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-array-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 13:10:38,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 13:10:38,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 13:10:38,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 13:10:38,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 13:10:38,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 13:10:38,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 13:10:38,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 13:10:38,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 13:10:38,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 13:10:38,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 13:10:38,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 13:10:38,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 13:10:38,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 13:10:38,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 13:10:38,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 13:10:38,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 13:10:38,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 13:10:38,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 13:10:38,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 13:10:38,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 13:10:38,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 13:10:38,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 13:10:38,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 13:10:38,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 13:10:38,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 13:10:38,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 13:10:38,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 13:10:38,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 13:10:38,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 13:10:38,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 13:10:38,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 13:10:38,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 13:10:38,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 13:10:38,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 13:10:38,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 13:10:38,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 13:10:38,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 13:10:38,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 13:10:38,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 13:10:38,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 13:10:38,935 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-New_States.epf [2020-11-12 13:10:38,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 13:10:38,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 13:10:38,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 13:10:38,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 13:10:38,965 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 13:10:38,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 13:10:38,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 13:10:38,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 13:10:38,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 13:10:38,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 13:10:38,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 13:10:38,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 13:10:38,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 13:10:38,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 13:10:38,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 13:10:38,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 13:10:38,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 13:10:38,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 13:10:38,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 13:10:38,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 13:10:38,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 13:10:38,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 13:10:38,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 13:10:38,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 13:10:38,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 13:10:38,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 13:10:38,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 13:10:38,970 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 13:10:38,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 13:10:38,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 13:10:38,971 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 13:10:39,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 13:10:39,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 13:10:39,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 13:10:39,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 13:10:39,418 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 13:10:39,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-array-2.i [2020-11-12 13:10:39,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57004038/bd44a221a35a459382b208f961a1693f/FLAG5be82f651 [2020-11-12 13:10:40,202 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 13:10:40,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-array-2.i [2020-11-12 13:10:40,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57004038/bd44a221a35a459382b208f961a1693f/FLAG5be82f651 [2020-11-12 13:10:40,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57004038/bd44a221a35a459382b208f961a1693f [2020-11-12 13:10:40,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 13:10:40,519 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 13:10:40,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 13:10:40,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 13:10:40,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 13:10:40,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:10:40" (1/1) ... [2020-11-12 13:10:40,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b154b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:40, skipping insertion in model container [2020-11-12 13:10:40,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:10:40" (1/1) ... [2020-11-12 13:10:40,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 13:10:40,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 13:10:40,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 13:10:40,930 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 13:10:41,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 13:10:41,149 INFO L208 MainTranslator]: Completed translation [2020-11-12 13:10:41,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41 WrapperNode [2020-11-12 13:10:41,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 13:10:41,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 13:10:41,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 13:10:41,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 13:10:41,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 13:10:41,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 13:10:41,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 13:10:41,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 13:10:41,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (1/1) ... [2020-11-12 13:10:41,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 13:10:41,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 13:10:41,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 13:10:41,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 13:10:41,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (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 [2020-11-12 13:10:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-12 13:10:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 13:10:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 13:10:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2020-11-12 13:10:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2020-11-12 13:10:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 13:10:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 13:10:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 13:10:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 13:10:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 13:10:41,381 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 13:10:41,967 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 13:10:41,968 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-12 13:10:41,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:10:41 BoogieIcfgContainer [2020-11-12 13:10:41,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 13:10:41,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 13:10:41,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 13:10:41,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 13:10:41,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:10:40" (1/3) ... [2020-11-12 13:10:41,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f79a61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:10:41, skipping insertion in model container [2020-11-12 13:10:41,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:10:41" (2/3) ... [2020-11-12 13:10:41,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f79a61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:10:41, skipping insertion in model container [2020-11-12 13:10:41,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:10:41" (3/3) ... [2020-11-12 13:10:41,981 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-array-2.i [2020-11-12 13:10:42,005 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 13:10:42,005 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 13:10:42,009 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 13:10:42,010 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 13:10:42,053 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,053 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,053 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,053 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,054 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,054 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,054 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,054 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,054 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,055 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,055 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,056 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,056 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,057 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,060 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,060 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,060 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,060 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,061 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,072 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-12 13:10:42,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-12 13:10:42,125 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 13:10:42,125 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 13:10:42,125 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 13:10:42,125 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 13:10:42,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 13:10:42,126 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 13:10:42,126 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 13:10:42,127 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 13:10:42,146 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 80 transitions, 168 flow [2020-11-12 13:10:42,199 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 284 states, 278 states have (on average 1.8237410071942446) internal successors, (507), 283 states have internal predecessors, (507), 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) [2020-11-12 13:10:42,452 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 248ms [2020-11-12 13:10:42,454 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 284 states, 278 states have (on average 1.8237410071942446) internal successors, (507), 283 states have internal predecessors, (507), 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) [2020-11-12 13:10:42,464 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 2807 states, 2439 states have (on average 1.2406724067240673) internal successors, (3026), 2806 states have internal predecessors, (3026), 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) [2020-11-12 13:10:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 2807 states, 2439 states have (on average 1.2406724067240673) internal successors, (3026), 2806 states have internal predecessors, (3026), 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) [2020-11-12 13:10:42,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-12 13:10:42,482 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:42,483 INFO L494 BasicCegarLoop]: trace histogram [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] [2020-11-12 13:10:42,483 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:42,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:42,490 INFO L82 PathProgramCache]: Analyzing trace with hash 217242013, now seen corresponding path program 1 times [2020-11-12 13:10:42,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:42,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143743730] [2020-11-12 13:10:42,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:10:42,686 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:10:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:10:42,758 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:10:42,794 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 13:10:42,798 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 13:10:42,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 13:10:42,800 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-12 13:10:42,800 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-12 13:10:42,810 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,811 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,811 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,811 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,811 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,812 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,812 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,812 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,812 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,813 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,813 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,813 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,813 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,814 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,814 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,814 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,814 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,814 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,815 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,815 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,815 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,815 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,816 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,816 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,816 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,816 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,817 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,817 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,817 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,818 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,818 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,818 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,818 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,821 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,822 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,822 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,822 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,823 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:42,827 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-12 13:10:42,827 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-12 13:10:42,829 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 13:10:42,829 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 13:10:42,829 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 13:10:42,830 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 13:10:42,830 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 13:10:42,830 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 13:10:42,830 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 13:10:42,830 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 13:10:42,833 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 87 transitions, 192 flow [2020-11-12 13:10:42,908 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1826 states, 1816 states have (on average 2.569933920704846) internal successors, (4667), 1825 states have internal predecessors, (4667), 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) [2020-11-12 13:10:43,322 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 414ms [2020-11-12 13:10:43,329 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 1826 states, 1816 states have (on average 2.569933920704846) internal successors, (4667), 1825 states have internal predecessors, (4667), 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) [2020-11-12 13:10:43,357 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 14253 states, 12625 states have (on average 1.192079207920792) internal successors, (15050), 14252 states have internal predecessors, (15050), 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) [2020-11-12 13:10:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand has 14253 states, 12625 states have (on average 1.192079207920792) internal successors, (15050), 14252 states have internal predecessors, (15050), 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) [2020-11-12 13:10:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 13:10:43,392 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:43,392 INFO L494 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] [2020-11-12 13:10:43,393 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:43,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:43,393 INFO L82 PathProgramCache]: Analyzing trace with hash 531600946, now seen corresponding path program 1 times [2020-11-12 13:10:43,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:43,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607547026] [2020-11-12 13:10:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:10:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:10:43,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607547026] [2020-11-12 13:10:43,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:10:43,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 13:10:43,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876555887] [2020-11-12 13:10:43,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 13:10:43,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:10:43,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 13:10:43,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 13:10:43,555 INFO L87 Difference]: Start difference. First operand has 14253 states, 12625 states have (on average 1.192079207920792) internal successors, (15050), 14252 states have internal predecessors, (15050), 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) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2020-11-12 13:10:43,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:10:43,604 INFO L93 Difference]: Finished difference Result 1889 states and 2147 transitions. [2020-11-12 13:10:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 13:10:43,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-11-12 13:10:43,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:10:43,634 INFO L225 Difference]: With dead ends: 1889 [2020-11-12 13:10:43,634 INFO L226 Difference]: Without dead ends: 1544 [2020-11-12 13:10:43,636 INFO L749 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 [2020-11-12 13:10:43,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2020-11-12 13:10:43,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1488. [2020-11-12 13:10:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1488 states, 1403 states have (on average 1.2045616535994297) internal successors, (1690), 1487 states have internal predecessors, (1690), 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) [2020-11-12 13:10:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1488 states and 1690 transitions. [2020-11-12 13:10:43,865 INFO L78 Accepts]: Start accepts. Automaton has 1488 states and 1690 transitions. Word has length 38 [2020-11-12 13:10:43,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:10:43,866 INFO L481 AbstractCegarLoop]: Abstraction has 1488 states and 1690 transitions. [2020-11-12 13:10:43,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2020-11-12 13:10:43,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1690 transitions. [2020-11-12 13:10:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 13:10:43,868 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:43,868 INFO L494 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] [2020-11-12 13:10:43,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 13:10:43,868 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:43,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:43,869 INFO L82 PathProgramCache]: Analyzing trace with hash 184056915, now seen corresponding path program 1 times [2020-11-12 13:10:43,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:43,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757782872] [2020-11-12 13:10:43,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:10:43,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:10:43,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757782872] [2020-11-12 13:10:43,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:10:43,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-12 13:10:43,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500959664] [2020-11-12 13:10:43,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 13:10:43,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:10:43,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 13:10:43,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 13:10:43,994 INFO L87 Difference]: Start difference. First operand 1488 states and 1690 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2020-11-12 13:10:44,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:10:44,057 INFO L93 Difference]: Finished difference Result 1863 states and 2118 transitions. [2020-11-12 13:10:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 13:10:44,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-11-12 13:10:44,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:10:44,066 INFO L225 Difference]: With dead ends: 1863 [2020-11-12 13:10:44,066 INFO L226 Difference]: Without dead ends: 1667 [2020-11-12 13:10:44,067 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-12 13:10:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2020-11-12 13:10:44,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1537. [2020-11-12 13:10:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 1452 states have (on average 1.1976584022038568) internal successors, (1739), 1536 states have internal predecessors, (1739), 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) [2020-11-12 13:10:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 1739 transitions. [2020-11-12 13:10:44,111 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 1739 transitions. Word has length 38 [2020-11-12 13:10:44,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:10:44,111 INFO L481 AbstractCegarLoop]: Abstraction has 1537 states and 1739 transitions. [2020-11-12 13:10:44,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2020-11-12 13:10:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1739 transitions. [2020-11-12 13:10:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-12 13:10:44,113 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:44,113 INFO L494 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-11-12 13:10:44,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 13:10:44,114 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:44,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:44,115 INFO L82 PathProgramCache]: Analyzing trace with hash -221346278, now seen corresponding path program 1 times [2020-11-12 13:10:44,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:44,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342554437] [2020-11-12 13:10:44,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:10:44,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:10:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:10:44,241 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:10:44,253 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 13:10:44,253 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 13:10:44,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 13:10:44,254 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-12 13:10:44,255 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-12 13:10:44,265 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,265 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,265 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,265 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,266 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,266 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,266 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,266 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,266 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,267 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,267 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,267 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,267 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,267 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,268 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,268 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,268 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,268 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,269 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,269 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,269 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,269 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,269 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,269 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,270 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,270 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,270 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,270 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,271 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,271 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,271 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,271 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,271 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,272 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,272 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,272 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,272 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,272 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,272 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,273 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,273 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,273 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,274 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,274 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,274 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,274 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,275 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,278 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,279 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,281 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,282 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:44,288 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-12 13:10:44,289 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-12 13:10:44,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 13:10:44,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 13:10:44,290 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 13:10:44,290 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 13:10:44,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 13:10:44,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 13:10:44,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 13:10:44,291 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 13:10:44,294 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 94 transitions, 218 flow [2020-11-12 13:10:45,134 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12422 states, 12404 states have (on average 3.304095453079652) internal successors, (40984), 12421 states have internal predecessors, (40984), 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) [2020-11-12 13:10:47,577 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 2443ms [2020-11-12 13:10:47,601 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 12422 states, 12404 states have (on average 3.304095453079652) internal successors, (40984), 12421 states have internal predecessors, (40984), 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) [2020-11-12 13:10:47,960 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 164297 states, 149831 states have (on average 1.3690758254299844) internal successors, (205130), 164296 states have internal predecessors, (205130), 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) [2020-11-12 13:10:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 164297 states, 149831 states have (on average 1.3690758254299844) internal successors, (205130), 164296 states have internal predecessors, (205130), 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) [2020-11-12 13:10:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 13:10:48,063 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:48,065 INFO L494 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] [2020-11-12 13:10:48,065 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:48,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:48,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1069427699, now seen corresponding path program 1 times [2020-11-12 13:10:48,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:48,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369045471] [2020-11-12 13:10:48,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:10:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:10:48,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369045471] [2020-11-12 13:10:48,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:10:48,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 13:10:48,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309557041] [2020-11-12 13:10:48,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 13:10:48,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:10:48,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 13:10:48,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 13:10:48,205 INFO L87 Difference]: Start difference. First operand has 164297 states, 149831 states have (on average 1.3690758254299844) internal successors, (205130), 164296 states have internal predecessors, (205130), 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) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2020-11-12 13:10:48,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:10:48,570 INFO L93 Difference]: Finished difference Result 21915 states and 28745 transitions. [2020-11-12 13:10:48,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 13:10:48,575 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-11-12 13:10:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:10:48,707 INFO L225 Difference]: With dead ends: 21915 [2020-11-12 13:10:48,710 INFO L226 Difference]: Without dead ends: 9805 [2020-11-12 13:10:48,712 INFO L749 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 [2020-11-12 13:10:48,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9805 states. [2020-11-12 13:10:49,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9805 to 9503. [2020-11-12 13:10:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9503 states, 9199 states have (on average 1.3344928796608326) internal successors, (12276), 9502 states have internal predecessors, (12276), 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) [2020-11-12 13:10:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9503 states to 9503 states and 12276 transitions. [2020-11-12 13:10:49,062 INFO L78 Accepts]: Start accepts. Automaton has 9503 states and 12276 transitions. Word has length 38 [2020-11-12 13:10:49,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:10:49,063 INFO L481 AbstractCegarLoop]: Abstraction has 9503 states and 12276 transitions. [2020-11-12 13:10:49,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2020-11-12 13:10:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 9503 states and 12276 transitions. [2020-11-12 13:10:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 13:10:49,064 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:49,064 INFO L494 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] [2020-11-12 13:10:49,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 13:10:49,065 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:49,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:49,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1015286675, now seen corresponding path program 1 times [2020-11-12 13:10:49,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:49,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189976406] [2020-11-12 13:10:49,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:10:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:10:49,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189976406] [2020-11-12 13:10:49,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:10:49,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-12 13:10:49,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569383278] [2020-11-12 13:10:49,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 13:10:49,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:10:49,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 13:10:49,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 13:10:49,226 INFO L87 Difference]: Start difference. First operand 9503 states and 12276 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2020-11-12 13:10:49,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:10:49,349 INFO L93 Difference]: Finished difference Result 11831 states and 15314 transitions. [2020-11-12 13:10:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 13:10:49,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-11-12 13:10:49,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:10:49,403 INFO L225 Difference]: With dead ends: 11831 [2020-11-12 13:10:49,403 INFO L226 Difference]: Without dead ends: 10799 [2020-11-12 13:10:49,404 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-12 13:10:49,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10799 states. [2020-11-12 13:10:49,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10799 to 9761. [2020-11-12 13:10:49,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9761 states, 9457 states have (on average 1.3253674526805541) internal successors, (12534), 9760 states have internal predecessors, (12534), 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) [2020-11-12 13:10:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9761 states to 9761 states and 12534 transitions. [2020-11-12 13:10:50,044 INFO L78 Accepts]: Start accepts. Automaton has 9761 states and 12534 transitions. Word has length 38 [2020-11-12 13:10:50,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:10:50,046 INFO L481 AbstractCegarLoop]: Abstraction has 9761 states and 12534 transitions. [2020-11-12 13:10:50,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2020-11-12 13:10:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 9761 states and 12534 transitions. [2020-11-12 13:10:50,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 13:10:50,054 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:50,054 INFO L494 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] [2020-11-12 13:10:50,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 13:10:50,055 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:50,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:50,059 INFO L82 PathProgramCache]: Analyzing trace with hash -829365226, now seen corresponding path program 1 times [2020-11-12 13:10:50,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:50,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145418139] [2020-11-12 13:10:50,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:10:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:10:50,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145418139] [2020-11-12 13:10:50,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:10:50,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-12 13:10:50,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235685977] [2020-11-12 13:10:50,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 13:10:50,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:10:50,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 13:10:50,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 13:10:50,213 INFO L87 Difference]: Start difference. First operand 9761 states and 12534 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2020-11-12 13:10:50,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:10:50,328 INFO L93 Difference]: Finished difference Result 7792 states and 9930 transitions. [2020-11-12 13:10:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 13:10:50,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 13:10:50,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:10:50,358 INFO L225 Difference]: With dead ends: 7792 [2020-11-12 13:10:50,358 INFO L226 Difference]: Without dead ends: 7200 [2020-11-12 13:10:50,359 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 13:10:50,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7200 states. [2020-11-12 13:10:50,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7200 to 6358. [2020-11-12 13:10:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 6162 states have (on average 1.3464784160986694) internal successors, (8297), 6357 states have internal predecessors, (8297), 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) [2020-11-12 13:10:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 8297 transitions. [2020-11-12 13:10:50,522 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 8297 transitions. Word has length 45 [2020-11-12 13:10:50,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:10:50,523 INFO L481 AbstractCegarLoop]: Abstraction has 6358 states and 8297 transitions. [2020-11-12 13:10:50,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2020-11-12 13:10:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 8297 transitions. [2020-11-12 13:10:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-12 13:10:50,525 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:10:50,526 INFO L494 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-11-12 13:10:50,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 13:10:50,526 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:10:50,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:10:50,527 INFO L82 PathProgramCache]: Analyzing trace with hash -439835983, now seen corresponding path program 1 times [2020-11-12 13:10:50,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:10:50,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779996832] [2020-11-12 13:10:50,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:10:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:10:50,585 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:10:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:10:50,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:10:50,657 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 13:10:50,658 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 13:10:50,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 13:10:50,658 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-12 13:10:50,659 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-12 13:10:50,675 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,676 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,676 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,684 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,684 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,684 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,685 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,686 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,686 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,686 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,687 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,687 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,687 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,687 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,687 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,687 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,687 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,688 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,688 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,688 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,688 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,688 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,689 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,691 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,692 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,692 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,692 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,693 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,693 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,693 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,693 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,693 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,693 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,694 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,694 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,696 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,697 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,697 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,697 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,697 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,697 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,697 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,698 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,698 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,698 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,698 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,698 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,698 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,699 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,699 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,699 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,699 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,700 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,701 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,701 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,702 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,702 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,702 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,703 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,704 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,704 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,704 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,704 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,705 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,706 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,706 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,706 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,706 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:10:50,713 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-12 13:10:50,714 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-12 13:10:50,715 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 13:10:50,715 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 13:10:50,715 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 13:10:50,715 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 13:10:50,715 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 13:10:50,715 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 13:10:50,716 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 13:10:50,716 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 13:10:50,718 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 101 transitions, 246 flow [2020-11-12 13:11:04,056 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 85406 states, 85372 states have (on average 4.031263177622639) internal successors, (344157), 85405 states have internal predecessors, (344157), 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) [2020-11-12 13:11:20,640 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 16583ms [2020-11-12 13:11:20,723 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 85406 states, 85372 states have (on average 4.031263177622639) internal successors, (344157), 85405 states have internal predecessors, (344157), 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) [2020-11-12 13:11:23,583 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 1198005 states, 1089671 states have (on average 1.9939633155328536) internal successors, (2172764), 1198004 states have internal predecessors, (2172764), 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) [2020-11-12 13:11:24,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 1198005 states, 1089671 states have (on average 1.9939633155328536) internal successors, (2172764), 1198004 states have internal predecessors, (2172764), 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) [2020-11-12 13:11:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 13:11:24,290 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:11:24,290 INFO L494 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] [2020-11-12 13:11:24,290 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:11:24,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:11:24,291 INFO L82 PathProgramCache]: Analyzing trace with hash 976608594, now seen corresponding path program 1 times [2020-11-12 13:11:24,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:11:24,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175129209] [2020-11-12 13:11:24,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:11:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:11:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:11:24,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175129209] [2020-11-12 13:11:24,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:11:24,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 13:11:24,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265157350] [2020-11-12 13:11:24,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 13:11:24,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:11:24,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 13:11:24,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 13:11:24,991 INFO L87 Difference]: Start difference. First operand has 1198005 states, 1089671 states have (on average 1.9939633155328536) internal successors, (2172764), 1198004 states have internal predecessors, (2172764), 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) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2020-11-12 13:11:27,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:11:27,654 INFO L93 Difference]: Finished difference Result 193478 states and 351809 transitions. [2020-11-12 13:11:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 13:11:27,661 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-11-12 13:11:27,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:11:28,095 INFO L225 Difference]: With dead ends: 193478 [2020-11-12 13:11:28,095 INFO L226 Difference]: Without dead ends: 75653 [2020-11-12 13:11:28,096 INFO L749 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 [2020-11-12 13:11:28,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75653 states. [2020-11-12 13:11:30,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75653 to 74800. [2020-11-12 13:11:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74800 states, 72183 states have (on average 1.346522034273998) internal successors, (97196), 74799 states have internal predecessors, (97196), 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) [2020-11-12 13:11:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74800 states to 74800 states and 97196 transitions. [2020-11-12 13:11:30,771 INFO L78 Accepts]: Start accepts. Automaton has 74800 states and 97196 transitions. Word has length 38 [2020-11-12 13:11:30,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:11:30,771 INFO L481 AbstractCegarLoop]: Abstraction has 74800 states and 97196 transitions. [2020-11-12 13:11:30,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2020-11-12 13:11:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 74800 states and 97196 transitions. [2020-11-12 13:11:30,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-12 13:11:30,772 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:11:30,772 INFO L494 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] [2020-11-12 13:11:30,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-12 13:11:30,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:11:30,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:11:30,773 INFO L82 PathProgramCache]: Analyzing trace with hash 629064563, now seen corresponding path program 1 times [2020-11-12 13:11:30,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:11:30,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546757062] [2020-11-12 13:11:30,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:11:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:11:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:11:30,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546757062] [2020-11-12 13:11:30,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:11:30,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-12 13:11:30,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024467536] [2020-11-12 13:11:30,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 13:11:30,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:11:30,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 13:11:30,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 13:11:30,845 INFO L87 Difference]: Start difference. First operand 74800 states and 97196 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2020-11-12 13:11:31,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:11:31,147 INFO L93 Difference]: Finished difference Result 81025 states and 104374 transitions. [2020-11-12 13:11:31,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 13:11:31,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2020-11-12 13:11:31,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:11:31,289 INFO L225 Difference]: With dead ends: 81025 [2020-11-12 13:11:31,290 INFO L226 Difference]: Without dead ends: 75569 [2020-11-12 13:11:31,290 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-12 13:11:31,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75569 states. [2020-11-12 13:11:33,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75569 to 71403. [2020-11-12 13:11:33,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71403 states, 69162 states have (on average 1.3538937566871982) internal successors, (93638), 71402 states have internal predecessors, (93638), 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) [2020-11-12 13:11:33,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71403 states to 71403 states and 93638 transitions. [2020-11-12 13:11:33,323 INFO L78 Accepts]: Start accepts. Automaton has 71403 states and 93638 transitions. Word has length 38 [2020-11-12 13:11:33,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:11:33,324 INFO L481 AbstractCegarLoop]: Abstraction has 71403 states and 93638 transitions. [2020-11-12 13:11:33,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2020-11-12 13:11:33,324 INFO L276 IsEmpty]: Start isEmpty. Operand 71403 states and 93638 transitions. [2020-11-12 13:11:33,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 13:11:33,324 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:11:33,325 INFO L494 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] [2020-11-12 13:11:33,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-12 13:11:33,325 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:11:33,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:11:33,326 INFO L82 PathProgramCache]: Analyzing trace with hash 626990779, now seen corresponding path program 1 times [2020-11-12 13:11:33,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:11:33,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614713816] [2020-11-12 13:11:33,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:11:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 13:11:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 13:11:33,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614713816] [2020-11-12 13:11:33,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 13:11:33,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-12 13:11:33,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748487944] [2020-11-12 13:11:33,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 13:11:33,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 13:11:33,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 13:11:33,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 13:11:33,394 INFO L87 Difference]: Start difference. First operand 71403 states and 93638 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2020-11-12 13:11:33,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 13:11:33,604 INFO L93 Difference]: Finished difference Result 59126 states and 75168 transitions. [2020-11-12 13:11:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-12 13:11:33,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2020-11-12 13:11:33,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 13:11:33,698 INFO L225 Difference]: With dead ends: 59126 [2020-11-12 13:11:33,698 INFO L226 Difference]: Without dead ends: 58344 [2020-11-12 13:11:33,699 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 13:11:33,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58344 states. [2020-11-12 13:11:35,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58344 to 52646. [2020-11-12 13:11:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52646 states, 50621 states have (on average 1.3528575097291637) internal successors, (68483), 52645 states have internal predecessors, (68483), 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) [2020-11-12 13:11:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52646 states to 52646 states and 68483 transitions. [2020-11-12 13:11:35,188 INFO L78 Accepts]: Start accepts. Automaton has 52646 states and 68483 transitions. Word has length 45 [2020-11-12 13:11:35,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 13:11:35,189 INFO L481 AbstractCegarLoop]: Abstraction has 52646 states and 68483 transitions. [2020-11-12 13:11:35,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2020-11-12 13:11:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 52646 states and 68483 transitions. [2020-11-12 13:11:35,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-12 13:11:35,195 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 13:11:35,195 INFO L494 BasicCegarLoop]: trace histogram [5, 5, 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] [2020-11-12 13:11:35,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-12 13:11:35,195 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 13:11:35,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 13:11:35,196 INFO L82 PathProgramCache]: Analyzing trace with hash -386162205, now seen corresponding path program 1 times [2020-11-12 13:11:35,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 13:11:35,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415203565] [2020-11-12 13:11:35,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 13:11:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:11:35,219 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:11:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-12 13:11:35,243 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-12 13:11:35,255 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-12 13:11:35,255 INFO L595 BasicCegarLoop]: Counterexample might be feasible [2020-11-12 13:11:35,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-12 13:11:35,256 WARN L386 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-12 13:11:35,256 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-11-12 13:11:35,270 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,270 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,270 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,271 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,271 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,271 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,271 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,271 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,272 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,272 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,272 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,272 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,272 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,273 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,273 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,273 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,273 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,273 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,274 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,274 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,274 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,274 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,274 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,274 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,275 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,275 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,275 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,275 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,275 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,276 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,276 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,276 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,276 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,276 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,276 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,277 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,277 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,277 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,277 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,277 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,277 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,278 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,278 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,278 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,278 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,278 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,279 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,279 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,279 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,280 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,280 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,280 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,280 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,280 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,281 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,281 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,281 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,281 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,281 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,281 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,282 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,283 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,283 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,283 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,284 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,284 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,289 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,290 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,290 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,294 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,294 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,294 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,298 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,298 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,298 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,298 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,300 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,300 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,301 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,301 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,301 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 13:11:35,308 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2020-11-12 13:11:35,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-12 13:11:35,309 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 13:11:35,309 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 13:11:35,309 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 13:11:35,309 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 13:11:35,310 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 13:11:35,310 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 13:11:35,310 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 13:11:35,310 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 13:11:35,312 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 108 transitions, 276 flow [2020-11-12 13:22:00,019 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 589166 states, 589100 states have (on average 4.755535562722797) internal successors, (2801486), 589165 states have internal predecessors, (2801486), 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) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2020-11-12 13:23:27,272 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-12 13:23:27,289 WARN L250 ceAbstractionStarter]: Timeout [2020-11-12 13:23:27,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:23:27 BasicIcfg [2020-11-12 13:23:27,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 13:23:27,298 INFO L168 Benchmark]: Toolchain (without parser) took 766778.29 ms. Allocated memory was 302.0 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 275.2 MB in the beginning and 5.3 GB in the end (delta: -5.0 GB). Peak memory consumption was 11.4 GB. Max. memory is 16.0 GB. [2020-11-12 13:23:27,298 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 13:23:27,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.06 ms. Allocated memory is still 302.0 MB. Free memory was 274.6 MB in the beginning and 277.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.0 GB. [2020-11-12 13:23:27,304 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.46 ms. Allocated memory is still 302.0 MB. Free memory was 277.5 MB in the beginning and 275.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 13:23:27,305 INFO L168 Benchmark]: Boogie Preprocessor took 41.20 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 274.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 13:23:27,305 INFO L168 Benchmark]: RCFGBuilder took 675.43 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 249.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2020-11-12 13:23:27,311 INFO L168 Benchmark]: TraceAbstraction took 765318.72 ms. Allocated memory was 302.0 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 249.1 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 11.4 GB. Max. memory is 16.0 GB. [2020-11-12 13:23:27,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 634.06 ms. Allocated memory is still 302.0 MB. Free memory was 274.6 MB in the beginning and 277.5 MB in the end (delta: -2.9 MB). Peak memory consumption was 31.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 95.46 ms. Allocated memory is still 302.0 MB. Free memory was 277.5 MB in the beginning and 275.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 41.20 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 274.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 675.43 ms. Allocated memory is still 302.0 MB. Free memory was 274.3 MB in the beginning and 249.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 765318.72 ms. Allocated memory was 302.0 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 249.1 MB in the beginning and 5.3 GB in the end (delta: -5.1 GB). Peak memory consumption was 11.4 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 764.9s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 749.3s, HoareTripleCheckerStatistics: 702 SDtfs, 136 SDslu, 1148 SDs, 0 SdLazy, 162 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1198005occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 13085 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 15159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout !ENTRY org.eclipse.osgi 4 0 2020-11-12 13:23:27.609 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57004038/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57004038/.metadata/.log.