/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-12 15:43:47,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-12 15:43:47,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-12 15:43:47,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-12 15:43:47,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-12 15:43:47,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-12 15:43:47,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-12 15:43:47,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-12 15:43:47,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-12 15:43:47,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-12 15:43:47,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-12 15:43:47,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-12 15:43:47,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-12 15:43:47,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-12 15:43:47,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-12 15:43:47,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-12 15:43:47,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-12 15:43:47,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-12 15:43:47,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-12 15:43:47,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-12 15:43:47,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-12 15:43:47,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-12 15:43:47,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-12 15:43:47,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-12 15:43:47,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-12 15:43:47,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-12 15:43:47,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-12 15:43:47,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-12 15:43:47,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-12 15:43:47,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-12 15:43:47,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-12 15:43:47,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-12 15:43:47,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-12 15:43:47,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-12 15:43:47,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-12 15:43:47,309 INFO L138 SettingsManager]: * Use SBE=true [2021-06-12 15:43:47,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-12 15:43:47,310 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-12 15:43:47,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-12 15:43:47,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-12 15:43:47,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-12 15:43:47,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-12 15:43:47,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 15:43:47,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-12 15:43:47,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-12 15:43:47,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-12 15:43:47,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-12 15:43:47,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-12 15:43:47,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-12 15:43:47,543 INFO L275 PluginConnector]: CDTParser initialized [2021-06-12 15:43:47,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-06-12 15:43:47,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555e8748e/16a7084f7d8043c8b905a6e04d16b3db/FLAGd302fb872 [2021-06-12 15:43:48,252 INFO L306 CDTParser]: Found 1 translation units. [2021-06-12 15:43:48,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2021-06-12 15:43:48,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555e8748e/16a7084f7d8043c8b905a6e04d16b3db/FLAGd302fb872 [2021-06-12 15:43:48,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555e8748e/16a7084f7d8043c8b905a6e04d16b3db [2021-06-12 15:43:48,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-12 15:43:48,364 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-12 15:43:48,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-12 15:43:48,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-12 15:43:48,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-12 15:43:48,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a331b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48, skipping insertion in model container [2021-06-12 15:43:48,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-12 15:43:48,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-12 15:43:48,544 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-12 15:43:48,630 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i[31172,31185] [2021-06-12 15:43:48,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 15:43:48,638 INFO L203 MainTranslator]: Completed pre-run [2021-06-12 15:43:48,646 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-12 15:43:48,660 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i[31172,31185] [2021-06-12 15:43:48,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-12 15:43:48,700 INFO L208 MainTranslator]: Completed translation [2021-06-12 15:43:48,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48 WrapperNode [2021-06-12 15:43:48,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-12 15:43:48,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-12 15:43:48,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-12 15:43:48,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-12 15:43:48,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-12 15:43:48,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-12 15:43:48,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-12 15:43:48,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-12 15:43:48,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... [2021-06-12 15:43:48,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-12 15:43:48,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-12 15:43:48,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-12 15:43:48,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-12 15:43:48,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-12 15:43:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-12 15:43:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-12 15:43:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-12 15:43:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-12 15:43:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-12 15:43:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-12 15:43:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-12 15:43:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-12 15:43:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-12 15:43:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-12 15:43:48,794 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-12 15:43:49,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-12 15:43:49,203 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-12 15:43:49,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:43:49 BoogieIcfgContainer [2021-06-12 15:43:49,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-12 15:43:49,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-12 15:43:49,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-12 15:43:49,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-12 15:43:49,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.06 03:43:48" (1/3) ... [2021-06-12 15:43:49,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4d66ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 03:43:49, skipping insertion in model container [2021-06-12 15:43:49,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.06 03:43:48" (2/3) ... [2021-06-12 15:43:49,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4d66ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.06 03:43:49, skipping insertion in model container [2021-06-12 15:43:49,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.06 03:43:49" (3/3) ... [2021-06-12 15:43:49,209 INFO L111 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2021-06-12 15:43:49,212 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-12 15:43:49,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-12 15:43:49,212 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-12 15:43:49,213 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,231 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-12 15:43:49,243 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:43:49,254 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:43:49,254 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:43:49,254 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:43:49,254 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:43:49,254 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:43:49,254 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:43:49,254 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:43:49,254 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-12 15:43:49,259 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 48 transitions, 101 flow [2021-06-12 15:43:49,272 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 283 states, 278 states have (on average 2.0035971223021583) internal successors, (557), 282 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 278 states have (on average 2.0035971223021583) internal successors, (557), 282 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 15:43:49,281 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (1/3) [2021-06-12 15:43:49,282 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:43:49,284 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:43:49,284 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:43:49,284 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:43:49,284 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:43:49,284 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:43:49,284 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:43:49,284 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:43:49,284 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-06-12 15:43:49,285 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 48 transitions, 101 flow [2021-06-12 15:43:49,290 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 283 states, 278 states have (on average 2.0035971223021583) internal successors, (557), 282 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 278 states have (on average 2.0035971223021583) internal successors, (557), 282 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-06-12 15:43:49,292 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:43:49,292 INFO L472 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] [2021-06-12 15:43:49,293 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:43:49,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:43:49,296 INFO L82 PathProgramCache]: Analyzing trace with hash 340049289, now seen corresponding path program 1 times [2021-06-12 15:43:49,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:43:49,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449669585] [2021-06-12 15:43:49,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:43:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:43:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 15:43:49,520 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:43:49,520 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449669585] [2021-06-12 15:43:49,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449669585] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 15:43:49,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 15:43:49,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 15:43:49,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519008779] [2021-06-12 15:43:49,524 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 15:43:49,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:43:49,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 15:43:49,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-12 15:43:49,541 INFO L87 Difference]: Start difference. First operand has 283 states, 278 states have (on average 2.0035971223021583) internal successors, (557), 282 states have internal predecessors, (557), 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 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:43:49,588 INFO L93 Difference]: Finished difference Result 130 states and 220 transitions. [2021-06-12 15:43:49,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-12 15:43:49,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 29 [2021-06-12 15:43:49,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:43:49,599 INFO L225 Difference]: With dead ends: 130 [2021-06-12 15:43:49,600 INFO L226 Difference]: Without dead ends: 130 [2021-06-12 15:43:49,605 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 43.8ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-12 15:43:49,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-06-12 15:43:49,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2021-06-12 15:43:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.7054263565891472) internal successors, (220), 129 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 220 transitions. [2021-06-12 15:43:49,643 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 220 transitions. Word has length 29 [2021-06-12 15:43:49,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:43:49,643 INFO L482 AbstractCegarLoop]: Abstraction has 130 states and 220 transitions. [2021-06-12 15:43:49,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 220 transitions. [2021-06-12 15:43:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-06-12 15:43:49,647 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:43:49,647 INFO L472 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] [2021-06-12 15:43:49,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-12 15:43:49,648 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:43:49,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:43:49,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1286948014, now seen corresponding path program 1 times [2021-06-12 15:43:49,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:43:49,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720363983] [2021-06-12 15:43:49,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:43:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:43:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-12 15:43:49,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:43:49,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720363983] [2021-06-12 15:43:49,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720363983] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 15:43:49,758 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 15:43:49,758 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-12 15:43:49,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582586249] [2021-06-12 15:43:49,759 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 15:43:49,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:43:49,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 15:43:49,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 15:43:49,760 INFO L87 Difference]: Start difference. First operand 130 states and 220 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:43:49,763 INFO L93 Difference]: Finished difference Result 90 states and 145 transitions. [2021-06-12 15:43:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 15:43:49,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2021-06-12 15:43:49,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:43:49,764 INFO L225 Difference]: With dead ends: 90 [2021-06-12 15:43:49,764 INFO L226 Difference]: Without dead ends: 0 [2021-06-12 15:43:49,764 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 15:43:49,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-12 15:43:49,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-12 15:43:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-12 15:43:49,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-06-12 15:43:49,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:43:49,765 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-12 15:43:49,765 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-12 15:43:49,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 15:43:49,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-12 15:43:49,766 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (2/3) [2021-06-12 15:43:49,766 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:43:49,771 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:43:49,771 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:43:49,772 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:43:49,772 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:43:49,772 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:43:49,772 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:43:49,772 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:43:49,772 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 15:43:49,775 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 48 transitions, 101 flow [2021-06-12 15:43:49,780 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 283 states, 278 states have (on average 2.0035971223021583) internal successors, (557), 282 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 278 states have (on average 2.0035971223021583) internal successors, (557), 282 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-06-12 15:43:49,781 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:43:49,781 INFO L472 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:43:49,781 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-12 15:43:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:43:49,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1459985512, now seen corresponding path program 1 times [2021-06-12 15:43:49,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:43:49,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585052999] [2021-06-12 15:43:49,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:43:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:43:49,803 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:43:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:43:49,816 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:43:49,834 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-12 15:43:49,834 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-12 15:43:49,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-12 15:43:49,835 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (3/3) [2021-06-12 15:43:49,835 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-12 15:43:49,835 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-12 15:43:49,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,847 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,847 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,848 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,850 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,850 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,851 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,851 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,852 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,853 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:49,860 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-12 15:43:49,861 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:43:49,862 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:43:49,862 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:43:49,862 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:43:49,862 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:43:49,862 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:43:49,862 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:43:49,862 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:43:49,862 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-12 15:43:49,864 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 70 transitions, 152 flow [2021-06-12 15:43:50,024 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5463 states, 5452 states have (on average 3.0550256786500367) internal successors, (16656), 5462 states have internal predecessors, (16656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 5463 states, 5452 states have (on average 3.0550256786500367) internal successors, (16656), 5462 states have internal predecessors, (16656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:50,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 15:43:50,049 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (1/4) [2021-06-12 15:43:50,049 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:43:50,050 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:43:50,050 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:43:50,050 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:43:50,050 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:43:50,050 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:43:50,050 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:43:50,050 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:43:50,050 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 15:43:50,055 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 70 transitions, 152 flow [2021-06-12 15:43:50,186 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5463 states, 5452 states have (on average 3.0550256786500367) internal successors, (16656), 5462 states have internal predecessors, (16656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 5463 states, 5452 states have (on average 3.0550256786500367) internal successors, (16656), 5462 states have internal predecessors, (16656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:43:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-12 15:43:50,198 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:43:50,199 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:43:50,199 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-12 15:43:50,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:43:50,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1264072087, now seen corresponding path program 1 times [2021-06-12 15:43:50,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:43:50,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884352738] [2021-06-12 15:43:50,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:43:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:43:50,222 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:43:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:43:50,237 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:43:50,244 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-12 15:43:50,244 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-12 15:43:50,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-12 15:43:50,244 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/4) [2021-06-12 15:43:50,244 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-12 15:43:50,244 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-12 15:43:50,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,264 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,268 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,270 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,270 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,270 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,277 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:43:50,277 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-12 15:43:50,278 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:43:50,279 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:43:50,279 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:43:50,279 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:43:50,279 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:43:50,279 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:43:50,279 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:43:50,279 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:43:50,279 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread3of3ForFork0======== [2021-06-12 15:43:50,280 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 92 transitions, 205 flow [2021-06-12 15:44:09,562 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 109063 states, 109040 states have (on average 4.1032281731474685) internal successors, (447416), 109062 states have internal predecessors, (447416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 109063 states, 109040 states have (on average 4.1032281731474685) internal successors, (447416), 109062 states have internal predecessors, (447416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-06-12 15:44:09,954 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:09,954 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-06-12 15:44:09,954 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:09,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:09,955 INFO L82 PathProgramCache]: Analyzing trace with hash -438701216, now seen corresponding path program 1 times [2021-06-12 15:44:09,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:09,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083929145] [2021-06-12 15:44:09,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-12 15:44:10,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:44:10,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083929145] [2021-06-12 15:44:10,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083929145] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 15:44:10,068 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 15:44:10,068 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-12 15:44:10,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653844877] [2021-06-12 15:44:10,069 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-12 15:44:10,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:44:10,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-12 15:44:10,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-12 15:44:10,205 INFO L87 Difference]: Start difference. First operand has 109063 states, 109040 states have (on average 4.1032281731474685) internal successors, (447416), 109062 states have internal predecessors, (447416), 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 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:11,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:44:11,002 INFO L93 Difference]: Finished difference Result 71232 states and 262583 transitions. [2021-06-12 15:44:11,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-12 15:44:11,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 43 [2021-06-12 15:44:11,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:44:11,267 INFO L225 Difference]: With dead ends: 71232 [2021-06-12 15:44:11,267 INFO L226 Difference]: Without dead ends: 71232 [2021-06-12 15:44:11,267 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-06-12 15:44:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71232 states. [2021-06-12 15:44:13,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71232 to 46992. [2021-06-12 15:44:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46992 states, 46991 states have (on average 3.764401693941393) internal successors, (176893), 46991 states have internal predecessors, (176893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46992 states to 46992 states and 176893 transitions. [2021-06-12 15:44:13,497 INFO L78 Accepts]: Start accepts. Automaton has 46992 states and 176893 transitions. Word has length 43 [2021-06-12 15:44:13,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:44:13,499 INFO L482 AbstractCegarLoop]: Abstraction has 46992 states and 176893 transitions. [2021-06-12 15:44:13,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 46992 states and 176893 transitions. [2021-06-12 15:44:13,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-06-12 15:44:13,511 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:13,511 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-06-12 15:44:13,511 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-12 15:44:13,511 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:13,512 INFO L82 PathProgramCache]: Analyzing trace with hash 232027397, now seen corresponding path program 1 times [2021-06-12 15:44:13,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:13,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185412403] [2021-06-12 15:44:13,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-12 15:44:13,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:44:13,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185412403] [2021-06-12 15:44:13,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185412403] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 15:44:13,582 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 15:44:13,582 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-12 15:44:13,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616626277] [2021-06-12 15:44:13,583 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 15:44:13,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:44:13,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 15:44:13,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 15:44:13,583 INFO L87 Difference]: Start difference. First operand 46992 states and 176893 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:13,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:44:13,806 INFO L93 Difference]: Finished difference Result 42384 states and 152134 transitions. [2021-06-12 15:44:13,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 15:44:13,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 [2021-06-12 15:44:13,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:44:13,950 INFO L225 Difference]: With dead ends: 42384 [2021-06-12 15:44:13,951 INFO L226 Difference]: Without dead ends: 40335 [2021-06-12 15:44:13,954 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-12 15:44:14,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40335 states. [2021-06-12 15:44:15,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40335 to 38727. [2021-06-12 15:44:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38727 states, 38724 states have (on average 3.5875684330131183) internal successors, (138925), 38726 states have internal predecessors, (138925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38727 states to 38727 states and 138925 transitions. [2021-06-12 15:44:15,672 INFO L78 Accepts]: Start accepts. Automaton has 38727 states and 138925 transitions. Word has length 45 [2021-06-12 15:44:15,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:44:15,675 INFO L482 AbstractCegarLoop]: Abstraction has 38727 states and 138925 transitions. [2021-06-12 15:44:15,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 38727 states and 138925 transitions. [2021-06-12 15:44:15,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-12 15:44:15,690 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:15,690 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:44:15,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-12 15:44:15,691 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:15,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:15,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1294777314, now seen corresponding path program 1 times [2021-06-12 15:44:15,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:15,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959937531] [2021-06-12 15:44:15,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-12 15:44:15,759 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:44:15,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959937531] [2021-06-12 15:44:15,759 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959937531] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-12 15:44:15,759 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813050703] [2021-06-12 15:44:15,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-12 15:44:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:15,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-12 15:44:15,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-12 15:44:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-12 15:44:16,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813050703] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 15:44:16,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-12 15:44:16,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-06-12 15:44:16,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103323891] [2021-06-12 15:44:16,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-12 15:44:16,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:44:16,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-12 15:44:16,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-12 15:44:16,078 INFO L87 Difference]: Start difference. First operand 38727 states and 138925 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:16,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:44:16,145 INFO L93 Difference]: Finished difference Result 13034 states and 39332 transitions. [2021-06-12 15:44:16,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-12 15:44:16,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 48 [2021-06-12 15:44:16,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:44:16,179 INFO L225 Difference]: With dead ends: 13034 [2021-06-12 15:44:16,179 INFO L226 Difference]: Without dead ends: 12972 [2021-06-12 15:44:16,180 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 34.8ms TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-12 15:44:16,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12972 states. [2021-06-12 15:44:16,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12972 to 12972. [2021-06-12 15:44:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12972 states, 12969 states have (on average 3.0212044105173876) internal successors, (39182), 12971 states have internal predecessors, (39182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12972 states to 12972 states and 39182 transitions. [2021-06-12 15:44:16,525 INFO L78 Accepts]: Start accepts. Automaton has 12972 states and 39182 transitions. Word has length 48 [2021-06-12 15:44:16,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:44:16,525 INFO L482 AbstractCegarLoop]: Abstraction has 12972 states and 39182 transitions. [2021-06-12 15:44:16,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:16,525 INFO L276 IsEmpty]: Start isEmpty. Operand 12972 states and 39182 transitions. [2021-06-12 15:44:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-06-12 15:44:16,538 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:16,538 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:44:16,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-12 15:44:16,755 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:16,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:16,755 INFO L82 PathProgramCache]: Analyzing trace with hash 534068955, now seen corresponding path program 1 times [2021-06-12 15:44:16,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:16,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525693628] [2021-06-12 15:44:16,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-12 15:44:16,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:44:16,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525693628] [2021-06-12 15:44:16,833 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525693628] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-12 15:44:16,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550278887] [2021-06-12 15:44:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-12 15:44:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:16,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-12 15:44:16,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-12 15:44:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-12 15:44:17,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550278887] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-12 15:44:17,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-12 15:44:17,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-12 15:44:17,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431861976] [2021-06-12 15:44:17,026 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-12 15:44:17,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:44:17,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-12 15:44:17,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-12 15:44:17,027 INFO L87 Difference]: Start difference. First operand 12972 states and 39182 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:17,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:44:17,155 INFO L93 Difference]: Finished difference Result 12602 states and 37136 transitions. [2021-06-12 15:44:17,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 15:44:17,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 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 51 [2021-06-12 15:44:17,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:44:17,180 INFO L225 Difference]: With dead ends: 12602 [2021-06-12 15:44:17,180 INFO L226 Difference]: Without dead ends: 12162 [2021-06-12 15:44:17,180 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 60.8ms TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-06-12 15:44:17,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12162 states. [2021-06-12 15:44:17,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12162 to 9566. [2021-06-12 15:44:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9566 states, 9563 states have (on average 2.9861968001673116) internal successors, (28557), 9565 states have internal predecessors, (28557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:17,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9566 states to 9566 states and 28557 transitions. [2021-06-12 15:44:17,422 INFO L78 Accepts]: Start accepts. Automaton has 9566 states and 28557 transitions. Word has length 51 [2021-06-12 15:44:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:44:17,422 INFO L482 AbstractCegarLoop]: Abstraction has 9566 states and 28557 transitions. [2021-06-12 15:44:17,422 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 9566 states and 28557 transitions. [2021-06-12 15:44:17,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-06-12 15:44:17,428 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:17,428 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:44:17,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-12 15:44:17,647 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:17,647 INFO L82 PathProgramCache]: Analyzing trace with hash -701552443, now seen corresponding path program 1 times [2021-06-12 15:44:17,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:17,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181681206] [2021-06-12 15:44:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-12 15:44:17,716 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:44:17,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181681206] [2021-06-12 15:44:17,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181681206] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-12 15:44:17,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592319338] [2021-06-12 15:44:17,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-12 15:44:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:17,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-12 15:44:17,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-12 15:44:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-12 15:44:17,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592319338] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-12 15:44:17,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-12 15:44:17,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-12 15:44:17,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231265511] [2021-06-12 15:44:17,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-12 15:44:17,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:44:17,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-12 15:44:17,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-12 15:44:17,924 INFO L87 Difference]: Start difference. First operand 9566 states and 28557 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:18,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:44:18,050 INFO L93 Difference]: Finished difference Result 8327 states and 24101 transitions. [2021-06-12 15:44:18,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 15:44:18,050 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 51 [2021-06-12 15:44:18,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:44:18,066 INFO L225 Difference]: With dead ends: 8327 [2021-06-12 15:44:18,067 INFO L226 Difference]: Without dead ends: 8327 [2021-06-12 15:44:18,067 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 60.6ms TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-06-12 15:44:18,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8327 states. [2021-06-12 15:44:18,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8327 to 6959. [2021-06-12 15:44:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6959 states, 6956 states have (on average 2.91776883266245) internal successors, (20296), 6958 states have internal predecessors, (20296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 20296 transitions. [2021-06-12 15:44:18,224 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 20296 transitions. Word has length 51 [2021-06-12 15:44:18,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:44:18,225 INFO L482 AbstractCegarLoop]: Abstraction has 6959 states and 20296 transitions. [2021-06-12 15:44:18,225 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 20296 transitions. [2021-06-12 15:44:18,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-12 15:44:18,230 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:18,230 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:44:18,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-12 15:44:18,430 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:18,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1913405982, now seen corresponding path program 1 times [2021-06-12 15:44:18,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:18,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465179530] [2021-06-12 15:44:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-12 15:44:18,494 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:44:18,494 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465179530] [2021-06-12 15:44:18,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465179530] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 15:44:18,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 15:44:18,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-12 15:44:18,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496301586] [2021-06-12 15:44:18,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-12 15:44:18,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:44:18,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-12 15:44:18,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-12 15:44:18,495 INFO L87 Difference]: Start difference. First operand 6959 states and 20296 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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) [2021-06-12 15:44:18,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:44:18,582 INFO L93 Difference]: Finished difference Result 7471 states and 21456 transitions. [2021-06-12 15:44:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 15:44:18,582 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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 55 [2021-06-12 15:44:18,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:44:18,592 INFO L225 Difference]: With dead ends: 7471 [2021-06-12 15:44:18,592 INFO L226 Difference]: Without dead ends: 7471 [2021-06-12 15:44:18,593 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 50.5ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-06-12 15:44:18,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2021-06-12 15:44:18,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 6103. [2021-06-12 15:44:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6103 states, 6100 states have (on average 2.893606557377049) internal successors, (17651), 6102 states have internal predecessors, (17651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6103 states to 6103 states and 17651 transitions. [2021-06-12 15:44:18,683 INFO L78 Accepts]: Start accepts. Automaton has 6103 states and 17651 transitions. Word has length 55 [2021-06-12 15:44:18,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:44:18,684 INFO L482 AbstractCegarLoop]: Abstraction has 6103 states and 17651 transitions. [2021-06-12 15:44:18,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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) [2021-06-12 15:44:18,684 INFO L276 IsEmpty]: Start isEmpty. Operand 6103 states and 17651 transitions. [2021-06-12 15:44:18,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-12 15:44:18,689 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:18,689 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:44:18,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-12 15:44:18,689 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:18,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:18,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1247225568, now seen corresponding path program 1 times [2021-06-12 15:44:18,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:18,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105109370] [2021-06-12 15:44:18,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-12 15:44:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-06-12 15:44:18,745 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-12 15:44:18,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105109370] [2021-06-12 15:44:18,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105109370] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-12 15:44:18,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-12 15:44:18,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-12 15:44:18,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560563161] [2021-06-12 15:44:18,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-12 15:44:18,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-12 15:44:18,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-12 15:44:18,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-06-12 15:44:18,747 INFO L87 Difference]: Start difference. First operand 6103 states and 17651 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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) [2021-06-12 15:44:18,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-12 15:44:18,863 INFO L93 Difference]: Finished difference Result 6119 states and 17425 transitions. [2021-06-12 15:44:18,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-12 15:44:18,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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 55 [2021-06-12 15:44:18,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-12 15:44:18,871 INFO L225 Difference]: With dead ends: 6119 [2021-06-12 15:44:18,871 INFO L226 Difference]: Without dead ends: 6119 [2021-06-12 15:44:18,871 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 53.8ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-06-12 15:44:18,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2021-06-12 15:44:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 5247. [2021-06-12 15:44:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5247 states, 5244 states have (on average 2.8615560640732265) internal successors, (15006), 5246 states have internal predecessors, (15006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5247 states to 5247 states and 15006 transitions. [2021-06-12 15:44:18,948 INFO L78 Accepts]: Start accepts. Automaton has 5247 states and 15006 transitions. Word has length 55 [2021-06-12 15:44:18,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-12 15:44:18,948 INFO L482 AbstractCegarLoop]: Abstraction has 5247 states and 15006 transitions. [2021-06-12 15:44:18,948 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 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) [2021-06-12 15:44:18,948 INFO L276 IsEmpty]: Start isEmpty. Operand 5247 states and 15006 transitions. [2021-06-12 15:44:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-12 15:44:18,953 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:18,953 INFO L472 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:44:18,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-12 15:44:18,954 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-12 15:44:18,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:18,954 INFO L82 PathProgramCache]: Analyzing trace with hash 781240640, now seen corresponding path program 1 times [2021-06-12 15:44:18,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:18,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740971828] [2021-06-12 15:44:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:44:18,967 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:44:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:44:18,977 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:44:18,991 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-12 15:44:18,992 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-12 15:44:18,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-12 15:44:18,992 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread3of3ForFork0 was UNSAFE (1/5) [2021-06-12 15:44:18,993 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:44:18,993 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:44:18,993 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:44:18,993 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:44:18,993 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:44:18,993 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:44:18,993 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:44:18,993 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:44:18,993 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-12 15:44:18,995 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 92 transitions, 205 flow [2021-06-12 15:44:37,099 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 109063 states, 109040 states have (on average 4.1032281731474685) internal successors, (447416), 109062 states have internal predecessors, (447416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 109063 states, 109040 states have (on average 4.1032281731474685) internal successors, (447416), 109062 states have internal predecessors, (447416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:37,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-12 15:44:37,621 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (2/5) [2021-06-12 15:44:37,621 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:44:37,628 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:44:37,629 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:44:37,629 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:44:37,629 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:44:37,629 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:44:37,629 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:44:37,629 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:44:37,629 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 15:44:37,629 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 92 transitions, 205 flow [2021-06-12 15:44:56,022 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 109063 states, 109040 states have (on average 4.1032281731474685) internal successors, (447416), 109062 states have internal predecessors, (447416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 109063 states, 109040 states have (on average 4.1032281731474685) internal successors, (447416), 109062 states have internal predecessors, (447416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-12 15:44:56,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-06-12 15:44:56,170 INFO L464 BasicCegarLoop]: Found error trace [2021-06-12 15:44:56,170 INFO L472 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-12 15:44:56,171 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-12 15:44:56,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-12 15:44:56,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1658258071, now seen corresponding path program 1 times [2021-06-12 15:44:56,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-12 15:44:56,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194569292] [2021-06-12 15:44:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-12 15:44:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:44:56,175 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:44:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-12 15:44:56,178 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-12 15:44:56,181 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-12 15:44:56,181 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-12 15:44:56,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-12 15:44:56,181 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (3/5) [2021-06-12 15:44:56,181 WARN L243 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-12 15:44:56,181 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,189 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,190 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,191 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,192 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,193 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-12 15:44:56,204 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-12 15:44:56,204 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:44:56,205 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:44:56,205 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:44:56,205 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:44:56,205 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:44:56,205 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:44:56,205 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:44:56,205 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:44:56,205 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread3of4ForFork0======== [2021-06-12 15:44:56,206 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 114 transitions, 260 flow Received shutdown request... [2021-06-12 15:57:55,599 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-12 15:57:55,599 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread3of4ForFork0 was TIMEOUT (1/6) [2021-06-12 15:57:55,599 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:57:55,600 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:57:55,600 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:57:55,600 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:57:55,600 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:57:55,600 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:57:55,600 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:57:55,600 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:57:55,600 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-12 15:57:55,601 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 114 transitions, 260 flow [2021-06-12 15:57:55,601 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-12 15:57:55,601 INFO L301 ceAbstractionStarter]: Result for error location thr1 was TIMEOUT (2/6) [2021-06-12 15:57:55,601 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:57:55,601 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:57:55,602 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:57:55,602 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:57:55,602 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:57:55,602 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:57:55,602 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:57:55,602 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:57:55,602 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread4of4ForFork0======== [2021-06-12 15:57:55,602 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 114 transitions, 260 flow [2021-06-12 15:57:55,602 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-12 15:57:55,602 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread4of4ForFork0 was TIMEOUT (3/6) [2021-06-12 15:57:55,603 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:57:55,603 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:57:55,603 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:57:55,603 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:57:55,603 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:57:55,603 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:57:55,603 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:57:55,603 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:57:55,603 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of4ForFork0======== [2021-06-12 15:57:55,604 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 114 transitions, 260 flow [2021-06-12 15:57:55,604 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-12 15:57:55,604 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of4ForFork0 was TIMEOUT (4/6) [2021-06-12 15:57:55,604 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:57:55,604 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:57:55,604 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:57:55,604 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:57:55,604 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:57:55,605 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:57:55,605 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:57:55,605 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:57:55,605 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread2of4ForFork0======== [2021-06-12 15:57:55,605 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 114 transitions, 260 flow [2021-06-12 15:57:55,605 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-12 15:57:55,605 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread2of4ForFork0 was TIMEOUT (5/6) [2021-06-12 15:57:55,605 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-12 15:57:55,606 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-12 15:57:55,606 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-12 15:57:55,606 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-12 15:57:55,606 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-12 15:57:55,606 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-12 15:57:55,606 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-12 15:57:55,606 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-12 15:57:55,606 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-12 15:57:55,606 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 114 places, 114 transitions, 260 flow [2021-06-12 15:57:55,607 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-12 15:57:55,607 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was TIMEOUT (6/6) [2021-06-12 15:57:55,607 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2021-06-12 15:57:55,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.06 03:57:55 BasicIcfg [2021-06-12 15:57:55,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-12 15:57:55,609 INFO L168 Benchmark]: Toolchain (without parser) took 847245.58 ms. Allocated memory was 196.1 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 159.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-06-12 15:57:55,610 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 196.1 MB. Free memory is still 177.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-12 15:57:55,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.18 ms. Allocated memory is still 196.1 MB. Free memory was 158.9 MB in the beginning and 157.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-12 15:57:55,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.58 ms. Allocated memory is still 196.1 MB. Free memory was 157.4 MB in the beginning and 155.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-12 15:57:55,610 INFO L168 Benchmark]: Boogie Preprocessor took 13.53 ms. Allocated memory is still 196.1 MB. Free memory was 155.6 MB in the beginning and 154.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-12 15:57:55,610 INFO L168 Benchmark]: RCFGBuilder took 466.26 ms. Allocated memory is still 196.1 MB. Free memory was 154.2 MB in the beginning and 174.7 MB in the end (delta: -20.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 8.0 GB. [2021-06-12 15:57:55,610 INFO L168 Benchmark]: TraceAbstraction took 846403.90 ms. Allocated memory was 196.1 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 174.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2021-06-12 15:57:55,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 196.1 MB. Free memory is still 177.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 334.18 ms. Allocated memory is still 196.1 MB. Free memory was 158.9 MB in the beginning and 157.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.58 ms. Allocated memory is still 196.1 MB. Free memory was 157.4 MB in the beginning and 155.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.53 ms. Allocated memory is still 196.1 MB. Free memory was 155.6 MB in the beginning and 154.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 466.26 ms. Allocated memory is still 196.1 MB. Free memory was 154.2 MB in the beginning and 174.7 MB in the end (delta: -20.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 846403.90 ms. Allocated memory was 196.1 MB in the beginning and 3.7 GB in the end (delta: 3.5 GB). Free memory was 174.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 728]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 114 places, 114 transitions, 260 flow. Already constructed 606082 states. Currently 80593 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 1 thread instances CFG has 3 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 8.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 2 thread instances CFG has 4 procedures, 86 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 187.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 24.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 161.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5463occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 3 thread instances CFG has 5 procedures, 106 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18627.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 521.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18105.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=109063occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 4 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 1.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 481.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 6.5ms, AutomataDifference: 85.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 67 SDtfs, 55 SDslu, 65 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 45.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 29.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.7ms SsaConstructionTime, 79.9ms SatisfiabilityAnalysisTime, 172.5ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 2 thread instances CFG has 4 procedures, 86 locations, 4 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 3 thread instances CFG has 5 procedures, 106 locations, 5 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 4 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 63.2ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 0.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.2ms SsaConstructionTime, 11.5ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 86 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 194.0ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 12.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 135.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5463occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.1ms SsaConstructionTime, 15.5ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 3 thread instances CFG has 5 procedures, 106 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18552.5ms, OverallIterations: 1, TraceHistogramMax: 4, EmptinessCheckTime: 148.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18393.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=109063occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6ms SsaConstructionTime, 2.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 4 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 0.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread3of3ForFork0 with 1 thread instances CFG has 5 procedures, 106 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 28712.9ms, OverallIterations: 8, TraceHistogramMax: 3, EmptinessCheckTime: 451.2ms, AutomataDifference: 2187.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19283.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 869 SDtfs, 1003 SDslu, 2328 SDs, 0 SdLazy, 456 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 438.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 156 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 287.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=109063occurred in iteration=0, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4858.5ms AutomataMinimizationTime, 7 MinimizatonAttempts, 32052 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 62.5ms SsaConstructionTime, 121.6ms SatisfiabilityAnalysisTime, 765.9ms InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 1722 SizeOfPredicates, 12 NumberOfNonLiveVariables, 411 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 116/170 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread3of3ForFork0 with 2 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread3of4ForFork0 with 1 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 779394.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 779393.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread4of4ForFork0 with 1 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 0.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of4ForFork0 with 1 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 0.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread2of4ForFork0 with 1 thread instances CFG has 6 procedures, 126 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 0.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown