/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 13:12:23,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 13:12:23,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 13:12:23,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 13:12:23,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 13:12:23,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 13:12:23,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 13:12:23,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 13:12:23,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 13:12:23,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 13:12:23,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 13:12:23,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 13:12:23,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 13:12:23,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 13:12:23,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 13:12:23,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 13:12:23,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 13:12:23,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 13:12:23,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 13:12:23,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 13:12:23,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 13:12:23,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 13:12:23,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 13:12:23,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 13:12:23,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 13:12:23,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 13:12:23,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 13:12:23,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 13:12:23,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 13:12:23,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 13:12:23,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 13:12:23,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 13:12:23,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 13:12:23,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 13:12:23,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 13:12:23,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 13:12:23,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 13:12:23,728 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 13:12:23,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 13:12:23,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 13:12:23,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 13:12:23,733 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 13:12:23,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 13:12:23,734 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 13:12:23,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 13:12:23,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 13:12:23,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 13:12:23,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 13:12:23,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 13:12:23,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 13:12:23,736 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 13:12:23,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 13:12:23,736 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 13:12:23,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 13:12:23,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 13:12:23,737 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 13:12:23,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 13:12:23,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 13:12:23,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 13:12:23,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 13:12:23,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 13:12:23,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 13:12:23,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 13:12:23,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 13:12:23,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 13:12:23,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 13:12:23,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 13:12:24,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 13:12:24,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 13:12:24,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 13:12:24,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 13:12:24,215 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 13:12:24,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i [2020-11-09 13:12:24,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd91ee1ee/cc713ad7a7c244da879d9ee005e4323d/FLAG89327c97f [2020-11-09 13:12:25,076 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 13:12:25,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i [2020-11-09 13:12:25,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd91ee1ee/cc713ad7a7c244da879d9ee005e4323d/FLAG89327c97f [2020-11-09 13:12:25,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd91ee1ee/cc713ad7a7c244da879d9ee005e4323d [2020-11-09 13:12:25,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 13:12:25,379 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 13:12:25,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 13:12:25,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 13:12:25,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 13:12:25,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:25" (1/1) ... [2020-11-09 13:12:25,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b728b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:25, skipping insertion in model container [2020-11-09 13:12:25,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:12:25" (1/1) ... [2020-11-09 13:12:25,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 13:12:25,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 13:12:25,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:12:25,979 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 13:12:26,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:12:26,221 INFO L208 MainTranslator]: Completed translation [2020-11-09 13:12:26,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26 WrapperNode [2020-11-09 13:12:26,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 13:12:26,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 13:12:26,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 13:12:26,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 13:12:26,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 13:12:26,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 13:12:26,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 13:12:26,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 13:12:26,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... [2020-11-09 13:12:26,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 13:12:26,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 13:12:26,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 13:12:26,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 13:12:26,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 13:12:26,512 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-11-09 13:12:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 13:12:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 13:12:26,513 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 13:12:26,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 13:12:26,515 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 13:12:26,515 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 13:12:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 13:12:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 13:12:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 13:12:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 13:12:26,519 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 13:12:27,203 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 13:12:27,203 INFO L298 CfgBuilder]: Removed 43 assume(true) statements. [2020-11-09 13:12:27,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:27 BoogieIcfgContainer [2020-11-09 13:12:27,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 13:12:27,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 13:12:27,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 13:12:27,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 13:12:27,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:12:25" (1/3) ... [2020-11-09 13:12:27,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38baccfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:27, skipping insertion in model container [2020-11-09 13:12:27,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:12:26" (2/3) ... [2020-11-09 13:12:27,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38baccfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:12:27, skipping insertion in model container [2020-11-09 13:12:27,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:12:27" (3/3) ... [2020-11-09 13:12:27,215 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_42-trylock2_racefree.i [2020-11-09 13:12:27,232 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 13:12:27,232 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 13:12:27,236 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-09 13:12:27,238 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 13:12:27,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,280 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,280 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,281 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,281 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,298 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:27,311 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 13:12:27,324 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 13:12:27,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:12:27,349 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:12:27,349 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:12:27,349 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:12:27,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:12:27,350 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:12:27,350 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:12:27,350 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:12:27,368 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:12:27,370 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 195 transitions, 398 flow [2020-11-09 13:12:27,374 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 195 transitions, 398 flow [2020-11-09 13:12:27,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 195 transitions, 398 flow [2020-11-09 13:12:27,534 INFO L129 PetriNetUnfolder]: 53/295 cut-off events. [2020-11-09 13:12:27,535 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 13:12:27,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 295 events. 53/295 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1253 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 157. Up to 6 conditions per place. [2020-11-09 13:12:27,563 INFO L116 LiptonReduction]: Number of co-enabled transitions 11130 [2020-11-09 13:12:33,310 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 13:12:33,805 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 13:12:34,093 WARN L194 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 13:12:34,570 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 13:12:34,692 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 13:12:34,844 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 13:12:34,979 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 13:12:35,865 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-11-09 13:12:36,198 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 13:12:36,990 WARN L194 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-11-09 13:12:37,371 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 13:12:37,407 INFO L131 LiptonReduction]: Checked pairs total: 19592 [2020-11-09 13:12:37,407 INFO L133 LiptonReduction]: Total number of compositions: 181 [2020-11-09 13:12:37,414 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 75 transitions, 158 flow [2020-11-09 13:12:37,449 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 580 states. [2020-11-09 13:12:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states. [2020-11-09 13:12:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:12:37,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:37,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:12:37,459 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:37,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:37,466 INFO L82 PathProgramCache]: Analyzing trace with hash 24263140, now seen corresponding path program 1 times [2020-11-09 13:12:37,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:37,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128041901] [2020-11-09 13:12:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:12:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:12:37,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128041901] [2020-11-09 13:12:37,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:12:37,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:12:37,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347619560] [2020-11-09 13:12:37,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:12:37,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:12:37,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:12:37,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:12:37,707 INFO L87 Difference]: Start difference. First operand 580 states. Second operand 3 states. [2020-11-09 13:12:37,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:12:37,769 INFO L93 Difference]: Finished difference Result 558 states and 1080 transitions. [2020-11-09 13:12:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:12:37,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:12:37,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:12:37,790 INFO L225 Difference]: With dead ends: 558 [2020-11-09 13:12:37,790 INFO L226 Difference]: Without dead ends: 459 [2020-11-09 13:12:37,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:12:37,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-11-09 13:12:37,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2020-11-09 13:12:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-11-09 13:12:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 891 transitions. [2020-11-09 13:12:37,874 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 891 transitions. Word has length 4 [2020-11-09 13:12:37,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:12:37,874 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 891 transitions. [2020-11-09 13:12:37,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:12:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 891 transitions. [2020-11-09 13:12:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 13:12:37,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:37,876 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 13:12:37,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 13:12:37,876 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:37,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1770533937, now seen corresponding path program 1 times [2020-11-09 13:12:37,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:37,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281212222] [2020-11-09 13:12:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:12:37,956 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:12:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:12:38,002 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:12:38,029 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:12:38,031 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:12:38,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 13:12:38,033 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:12:38,033 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 13:12:38,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,063 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,066 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,067 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,068 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,069 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,071 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,075 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,097 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,098 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,102 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,103 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:38,107 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 13:12:38,107 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 13:12:38,108 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:12:38,109 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:12:38,109 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:12:38,109 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:12:38,109 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:12:38,109 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:12:38,109 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:12:38,109 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:12:38,113 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:12:38,113 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 250 transitions, 518 flow [2020-11-09 13:12:38,113 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 250 transitions, 518 flow [2020-11-09 13:12:38,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 250 transitions, 518 flow [2020-11-09 13:12:38,202 INFO L129 PetriNetUnfolder]: 88/473 cut-off events. [2020-11-09 13:12:38,202 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 13:12:38,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 473 events. 88/473 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2296 event pairs, 0 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 297. Up to 9 conditions per place. [2020-11-09 13:12:38,239 INFO L116 LiptonReduction]: Number of co-enabled transitions 29044 [2020-11-09 13:12:45,316 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-11-09 13:12:45,433 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-09 13:12:45,678 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-11-09 13:12:45,800 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-09 13:12:46,777 WARN L194 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2020-11-09 13:12:47,129 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 13:12:47,826 WARN L194 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2020-11-09 13:12:48,128 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 13:12:48,334 INFO L131 LiptonReduction]: Checked pairs total: 73930 [2020-11-09 13:12:48,334 INFO L133 LiptonReduction]: Total number of compositions: 224 [2020-11-09 13:12:48,335 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82 places, 115 transitions, 248 flow [2020-11-09 13:12:50,052 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 16175 states. [2020-11-09 13:12:50,053 INFO L276 IsEmpty]: Start isEmpty. Operand 16175 states. [2020-11-09 13:12:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 13:12:50,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:50,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 13:12:50,054 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:50,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:50,054 INFO L82 PathProgramCache]: Analyzing trace with hash 40431007, now seen corresponding path program 1 times [2020-11-09 13:12:50,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:50,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772165562] [2020-11-09 13:12:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:12:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:12:50,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772165562] [2020-11-09 13:12:50,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:12:50,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:12:50,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290711631] [2020-11-09 13:12:50,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:12:50,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:12:50,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:12:50,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:12:50,174 INFO L87 Difference]: Start difference. First operand 16175 states. Second operand 3 states. [2020-11-09 13:12:50,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:12:50,419 INFO L93 Difference]: Finished difference Result 16154 states and 46319 transitions. [2020-11-09 13:12:50,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:12:50,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 13:12:50,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:12:50,527 INFO L225 Difference]: With dead ends: 16154 [2020-11-09 13:12:50,527 INFO L226 Difference]: Without dead ends: 13228 [2020-11-09 13:12:50,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:12:50,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13228 states. [2020-11-09 13:12:51,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13228 to 13228. [2020-11-09 13:12:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13228 states. [2020-11-09 13:12:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13228 states to 13228 states and 38045 transitions. [2020-11-09 13:12:51,212 INFO L78 Accepts]: Start accepts. Automaton has 13228 states and 38045 transitions. Word has length 4 [2020-11-09 13:12:51,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:12:51,213 INFO L481 AbstractCegarLoop]: Abstraction has 13228 states and 38045 transitions. [2020-11-09 13:12:51,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:12:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 13228 states and 38045 transitions. [2020-11-09 13:12:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 13:12:51,214 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:51,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:12:51,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 13:12:51,215 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:51,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:51,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1193367252, now seen corresponding path program 1 times [2020-11-09 13:12:51,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:51,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015833854] [2020-11-09 13:12:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:12:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:12:51,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015833854] [2020-11-09 13:12:51,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582884748] [2020-11-09 13:12:51,281 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 [2020-11-09 13:12:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:12:51,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:12:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:12:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-09 13:12:51,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:12:51,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 13:12:51,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454797447] [2020-11-09 13:12:51,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:12:51,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:12:51,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:12:51,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:12:51,418 INFO L87 Difference]: Start difference. First operand 13228 states and 38045 transitions. Second operand 3 states. [2020-11-09 13:12:51,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:12:51,646 INFO L93 Difference]: Finished difference Result 13138 states and 37790 transitions. [2020-11-09 13:12:51,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:12:51,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 13:12:51,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:12:51,710 INFO L225 Difference]: With dead ends: 13138 [2020-11-09 13:12:51,710 INFO L226 Difference]: Without dead ends: 13138 [2020-11-09 13:12:51,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:12:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13138 states. [2020-11-09 13:12:52,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13138 to 13138. [2020-11-09 13:12:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13138 states. [2020-11-09 13:12:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13138 states to 13138 states and 37790 transitions. [2020-11-09 13:12:52,477 INFO L78 Accepts]: Start accepts. Automaton has 13138 states and 37790 transitions. Word has length 8 [2020-11-09 13:12:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:12:52,477 INFO L481 AbstractCegarLoop]: Abstraction has 13138 states and 37790 transitions. [2020-11-09 13:12:52,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:12:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 13138 states and 37790 transitions. [2020-11-09 13:12:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 13:12:52,481 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:12:52,481 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 13:12:52,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:12:52,696 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:12:52,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:12:52,697 INFO L82 PathProgramCache]: Analyzing trace with hash -521659003, now seen corresponding path program 1 times [2020-11-09 13:12:52,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:12:52,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276363780] [2020-11-09 13:12:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:12:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:12:52,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:12:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:12:52,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:12:52,758 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:12:52,759 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:12:52,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 13:12:52,762 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:12:52,763 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 13:12:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,778 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,778 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,779 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,779 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,779 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,779 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,780 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,784 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,785 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,786 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,787 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,787 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,788 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,788 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,789 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,790 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,791 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,792 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,793 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,794 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,795 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,796 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,796 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,797 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,798 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,799 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,800 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,801 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,802 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,803 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,804 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,805 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,806 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,806 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,806 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,808 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,808 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,809 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,809 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,810 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,812 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,812 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,813 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,813 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:12:52,817 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 13:12:52,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 13:12:52,818 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:12:52,818 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:12:52,819 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:12:52,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:12:52,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:12:52,819 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:12:52,819 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:12:52,819 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:12:52,822 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:12:52,822 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 305 transitions, 640 flow [2020-11-09 13:12:52,822 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 305 transitions, 640 flow [2020-11-09 13:12:52,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 305 transitions, 640 flow [2020-11-09 13:12:52,934 INFO L129 PetriNetUnfolder]: 128/682 cut-off events. [2020-11-09 13:12:52,935 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 13:12:52,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 682 events. 128/682 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3499 event pairs, 1 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 481. Up to 16 conditions per place. [2020-11-09 13:12:53,114 INFO L116 LiptonReduction]: Number of co-enabled transitions 52470 [2020-11-09 13:13:00,952 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-09 13:13:01,179 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-11-09 13:13:03,103 WARN L194 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-11-09 13:13:03,317 WARN L194 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-11-09 13:13:03,810 WARN L194 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2020-11-09 13:13:04,047 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-11-09 13:13:05,272 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2020-11-09 13:13:05,614 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 13:13:06,265 WARN L194 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2020-11-09 13:13:06,584 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 13:13:06,694 INFO L131 LiptonReduction]: Checked pairs total: 128567 [2020-11-09 13:13:06,694 INFO L133 LiptonReduction]: Total number of compositions: 261 [2020-11-09 13:13:06,695 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 153 transitions, 336 flow Received shutdown request... [2020-11-09 13:16:36,140 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 13:16:36,143 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 13:16:36,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:16:36 BasicIcfg [2020-11-09 13:16:36,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 13:16:36,151 INFO L168 Benchmark]: Toolchain (without parser) took 250770.92 ms. Allocated memory was 158.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 132.8 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 13:16:36,152 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 13:16:36,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.48 ms. Allocated memory is still 158.3 MB. Free memory was 132.1 MB in the beginning and 137.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 8.0 GB. [2020-11-09 13:16:36,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.69 ms. Allocated memory is still 158.3 MB. Free memory was 137.1 MB in the beginning and 135.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:16:36,163 INFO L168 Benchmark]: Boogie Preprocessor took 79.45 ms. Allocated memory is still 158.3 MB. Free memory was 135.0 MB in the beginning and 133.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:16:36,163 INFO L168 Benchmark]: RCFGBuilder took 799.29 ms. Allocated memory is still 158.3 MB. Free memory was 133.4 MB in the beginning and 97.8 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2020-11-09 13:16:36,166 INFO L168 Benchmark]: TraceAbstraction took 248936.35 ms. Allocated memory was 158.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 97.3 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 13:16:36,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 842.48 ms. Allocated memory is still 158.3 MB. Free memory was 132.1 MB in the beginning and 137.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 100.69 ms. Allocated memory is still 158.3 MB. Free memory was 137.1 MB in the beginning and 135.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 79.45 ms. Allocated memory is still 158.3 MB. Free memory was 135.0 MB in the beginning and 133.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 799.29 ms. Allocated memory is still 158.3 MB. Free memory was 133.4 MB in the beginning and 97.8 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 248936.35 ms. Allocated memory was 158.3 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 97.3 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6937 VarBasedMoverChecksPositive, 512 VarBasedMoverChecksNegative, 440 SemBasedMoverChecksPositive, 72 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 472 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.0s, 165 PlacesBefore, 52 PlacesAfterwards, 195 TransitionsBefore, 75 TransitionsAfterwards, 11130 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 110 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 31 ConcurrentYvCompositions, 7 ChoiceCompositions, 181 TotalNumberOfCompositions, 19592 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 16871 VarBasedMoverChecksPositive, 1486 VarBasedMoverChecksNegative, 1364 SemBasedMoverChecksPositive, 122 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.4s, 1260 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.2s, 209 PlacesBefore, 82 PlacesAfterwards, 250 TransitionsBefore, 115 TransitionsAfterwards, 29044 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 148 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 38 ConcurrentYvCompositions, 8 ChoiceCompositions, 224 TotalNumberOfCompositions, 73930 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 28741 VarBasedMoverChecksPositive, 3082 VarBasedMoverChecksNegative, 2929 SemBasedMoverChecksPositive, 153 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 4.7s, 2068 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 13.8s, 253 PlacesBefore, 108 PlacesAfterwards, 305 TransitionsBefore, 153 TransitionsAfterwards, 52470 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 180 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 44 ConcurrentYvCompositions, 7 ChoiceCompositions, 261 TotalNumberOfCompositions, 128567 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 108 places, 153 transitions, 336 flow. Already constructed 372152 states. Currently 14729 states in worklist.. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 108 places, 153 transitions, 336 flow. Already constructed 372152 states. Currently 14729 states in worklist.. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 108 places, 153 transitions, 336 flow. Already constructed 372152 states. Currently 14729 states in worklist.. - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 108 places, 153 transitions, 336 flow. Already constructed 372152 states. Currently 14729 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 162 locations, 4 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 248.6s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 245.3s, HoareTripleCheckerStatistics: 194 SDtfs, 70 SDslu, 177 SDs, 0 SdLazy, 27 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16175occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown