/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:31:58,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:31:58,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:31:58,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:31:58,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:31:58,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:31:58,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:31:58,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:31:58,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:31:58,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:31:58,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:31:58,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:31:58,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:31:58,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:31:58,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:31:58,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:31:58,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:31:58,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:31:58,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:31:58,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:31:58,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:31:58,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:31:58,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:31:58,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:31:58,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 17:31:58,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:31:58,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:31:58,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:31:58,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:31:58,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:31:58,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:31:58,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:31:58,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:31:58,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:31:58,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:31:58,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:31:58,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-11-09 17:31:58,265 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:31:58,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:31:58,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:31:58,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:31:58,267 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:31:58,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:31:58,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:31:58,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:31:58,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:31:58,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:31:58,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:31:58,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:31:58,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:31:58,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:31:58,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:31:58,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:31:58,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:31:58,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:31:58,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:31:58,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:31:58,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:31:58,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:31:58,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:31:58,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:31:58,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:31:58,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:31:58,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:31:58,271 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:31:58,272 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:31:58,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:31:58,272 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:31:58,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:31:58,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:31:58,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:31:58,741 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:31:58,742 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:31:58,744 INFO L432 ainManager$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 17:31:58,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b917e1d95/f58dd54f91f04bb69fe055b43bc67350/FLAG4a3145a9b [2020-11-09 17:31:59,477 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:31:59,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_42-trylock2_racefree.i [2020-11-09 17:31:59,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b917e1d95/f58dd54f91f04bb69fe055b43bc67350/FLAG4a3145a9b [2020-11-09 17:31:59,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b917e1d95/f58dd54f91f04bb69fe055b43bc67350 [2020-11-09 17:31:59,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:31:59,739 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:31:59,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:31:59,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:31:59,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:31:59,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:31:59" (1/1) ... [2020-11-09 17:31:59,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282303ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:31:59, skipping insertion in model container [2020-11-09 17:31:59,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:31:59" (1/1) ... [2020-11-09 17:31:59,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:31:59,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:32:00,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:32:00,287 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:32:00,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:32:00,497 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:32:00,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00 WrapperNode [2020-11-09 17:32:00,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:32:00,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:32:00,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:32:00,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:32:00,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:32:00,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:32:00,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:32:00,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:32:00,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (1/1) ... [2020-11-09 17:32:00,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:32:00,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:32:00,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:32:00,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:32:00,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (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 17:32:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-11-09 17:32:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 17:32:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:32:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 17:32:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:32:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 17:32:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 17:32:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:32:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:32:00,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:32:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:32:00,690 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 17:32:01,471 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:32:01,471 INFO L298 CfgBuilder]: Removed 43 assume(true) statements. [2020-11-09 17:32:01,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:32:01 BoogieIcfgContainer [2020-11-09 17:32:01,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:32:01,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:32:01,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:32:01,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:32:01,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:31:59" (1/3) ... [2020-11-09 17:32:01,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1bde7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:32:01, skipping insertion in model container [2020-11-09 17:32:01,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:32:00" (2/3) ... [2020-11-09 17:32:01,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1bde7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:32:01, skipping insertion in model container [2020-11-09 17:32:01,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:32:01" (3/3) ... [2020-11-09 17:32:01,490 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_42-trylock2_racefree.i [2020-11-09 17:32:01,513 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:32:01,513 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:32:01,518 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-09 17:32:01,519 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:32:01,585 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,585 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,586 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,586 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,586 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,586 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,587 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,587 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,587 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,588 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,589 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,590 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,591 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,592 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,593 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,593 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,593 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,594 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,595 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,596 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,596 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,596 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,597 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,597 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,597 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,598 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,599 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,599 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,600 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,600 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,601 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,602 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,603 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,603 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,603 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,604 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,604 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,604 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,605 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,606 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,607 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,608 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,611 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,613 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:01,627 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 17:32:01,642 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 17:32:01,679 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:32:01,679 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:32:01,680 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:32:01,680 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:32:01,681 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:32:01,681 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:32:01,682 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:32:01,682 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:32:01,705 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:32:01,706 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 165 places, 195 transitions, 398 flow [2020-11-09 17:32:01,710 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 165 places, 195 transitions, 398 flow [2020-11-09 17:32:01,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 195 transitions, 398 flow [2020-11-09 17:32:01,829 INFO L129 PetriNetUnfolder]: 53/295 cut-off events. [2020-11-09 17:32:01,829 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 17:32:01,838 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 17:32:01,852 INFO L116 LiptonReduction]: Number of co-enabled transitions 11130 [2020-11-09 17:32:06,052 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 17:32:06,303 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 17:32:06,539 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 17:32:06,812 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 17:32:06,926 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 17:32:07,059 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 17:32:07,173 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 17:32:07,884 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-11-09 17:32:08,219 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 17:32:08,919 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-11-09 17:32:09,237 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 17:32:09,271 INFO L131 LiptonReduction]: Checked pairs total: 24165 [2020-11-09 17:32:09,271 INFO L133 LiptonReduction]: Total number of compositions: 160 [2020-11-09 17:32:09,278 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 82 transitions, 172 flow [2020-11-09 17:32:09,331 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 680 states. [2020-11-09 17:32:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states. [2020-11-09 17:32:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 17:32:09,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:32:09,347 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 17:32:09,348 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 17:32:09,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:32:09,356 INFO L82 PathProgramCache]: Analyzing trace with hash 23635601, now seen corresponding path program 1 times [2020-11-09 17:32:09,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:32:09,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688319582] [2020-11-09 17:32:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:32:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:32:09,650 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 17:32:09,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688319582] [2020-11-09 17:32:09,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:32:09,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:32:09,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1312279058] [2020-11-09 17:32:09,654 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:32:09,656 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:32:09,667 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-11-09 17:32:09,667 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:32:09,671 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:32:09,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:32:09,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:32:09,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:32:09,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:32:09,689 INFO L87 Difference]: Start difference. First operand 680 states. Second operand 3 states. [2020-11-09 17:32:09,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:32:09,767 INFO L93 Difference]: Finished difference Result 653 states and 1265 transitions. [2020-11-09 17:32:09,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:32:09,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 17:32:09,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:32:09,808 INFO L225 Difference]: With dead ends: 653 [2020-11-09 17:32:09,808 INFO L226 Difference]: Without dead ends: 459 [2020-11-09 17:32:09,810 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 17:32:09,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-11-09 17:32:09,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2020-11-09 17:32:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2020-11-09 17:32:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 891 transitions. [2020-11-09 17:32:09,921 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 891 transitions. Word has length 4 [2020-11-09 17:32:09,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:32:09,921 INFO L481 AbstractCegarLoop]: Abstraction has 459 states and 891 transitions. [2020-11-09 17:32:09,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:32:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 891 transitions. [2020-11-09 17:32:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 17:32:09,922 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:32:09,922 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 17:32:09,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:32:09,923 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 17:32:09,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:32:09,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1169320805, now seen corresponding path program 1 times [2020-11-09 17:32:09,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:32:09,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381370800] [2020-11-09 17:32:09,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:32:09,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:32:09,970 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:32:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:32:10,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:32:10,031 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 17:32:10,031 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 17:32:10,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:32:10,033 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 17:32:10,033 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 17:32:10,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,047 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,048 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,048 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,049 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,052 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,053 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,054 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,055 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,056 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,057 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,058 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,059 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,060 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,061 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,062 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,063 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,064 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,065 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,070 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,070 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,089 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,090 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,093 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,094 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,095 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,096 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,097 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,099 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,109 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:10,113 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 17:32:10,114 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 17:32:10,115 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:32:10,115 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:32:10,115 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:32:10,116 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:32:10,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:32:10,116 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:32:10,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:32:10,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:32:10,127 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:32:10,127 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 250 transitions, 518 flow [2020-11-09 17:32:10,131 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 250 transitions, 518 flow [2020-11-09 17:32:10,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 209 places, 250 transitions, 518 flow [2020-11-09 17:32:10,289 INFO L129 PetriNetUnfolder]: 88/473 cut-off events. [2020-11-09 17:32:10,289 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 17:32:10,301 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 2300 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 17:32:10,342 INFO L116 LiptonReduction]: Number of co-enabled transitions 29044 [2020-11-09 17:32:15,073 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2020-11-09 17:32:15,198 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 17:32:15,473 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2020-11-09 17:32:15,613 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 17:32:16,593 WARN L194 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2020-11-09 17:32:16,931 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 17:32:17,624 WARN L194 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 135 [2020-11-09 17:32:17,965 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 17:32:17,993 INFO L131 LiptonReduction]: Checked pairs total: 79558 [2020-11-09 17:32:17,994 INFO L133 LiptonReduction]: Total number of compositions: 184 [2020-11-09 17:32:17,994 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 120 transitions, 258 flow [2020-11-09 17:32:19,877 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 18387 states. [2020-11-09 17:32:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 18387 states. [2020-11-09 17:32:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 17:32:19,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:32:19,878 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 17:32:19,879 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 17:32:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:32:19,881 INFO L82 PathProgramCache]: Analyzing trace with hash 38666898, now seen corresponding path program 1 times [2020-11-09 17:32:19,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:32:19,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301043290] [2020-11-09 17:32:19,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:32:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:32:19,985 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 17:32:19,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301043290] [2020-11-09 17:32:19,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:32:19,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 17:32:19,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [7412229] [2020-11-09 17:32:19,988 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:32:19,988 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:32:19,991 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-11-09 17:32:19,991 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:32:19,991 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:32:19,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:32:19,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:32:19,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:32:19,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:32:19,993 INFO L87 Difference]: Start difference. First operand 18387 states. Second operand 3 states. [2020-11-09 17:32:20,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:32:20,327 INFO L93 Difference]: Finished difference Result 18362 states and 52663 transitions. [2020-11-09 17:32:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:32:20,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 17:32:20,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:32:20,464 INFO L225 Difference]: With dead ends: 18362 [2020-11-09 17:32:20,464 INFO L226 Difference]: Without dead ends: 13228 [2020-11-09 17:32:20,465 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 17:32:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13228 states. [2020-11-09 17:32:21,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13228 to 13228. [2020-11-09 17:32:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13228 states. [2020-11-09 17:32:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13228 states to 13228 states and 38045 transitions. [2020-11-09 17:32:21,477 INFO L78 Accepts]: Start accepts. Automaton has 13228 states and 38045 transitions. Word has length 4 [2020-11-09 17:32:21,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:32:21,477 INFO L481 AbstractCegarLoop]: Abstraction has 13228 states and 38045 transitions. [2020-11-09 17:32:21,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:32:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 13228 states and 38045 transitions. [2020-11-09 17:32:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 17:32:21,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:32:21,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:32:21,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 17:32:21,479 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 17:32:21,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:32:21,481 INFO L82 PathProgramCache]: Analyzing trace with hash 540551374, now seen corresponding path program 1 times [2020-11-09 17:32:21,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:32:21,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861377277] [2020-11-09 17:32:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:32:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:32:21,533 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 17:32:21,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861377277] [2020-11-09 17:32:21,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569873074] [2020-11-09 17:32:21,534 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 17:32:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:32:21,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 17:32:21,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 17:32:21,686 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 17:32:21,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 17:32:21,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 17:32:21,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [593513915] [2020-11-09 17:32:21,687 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:32:21,688 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:32:21,689 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 17:32:21,689 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:32:21,690 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:32:21,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:32:21,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:32:21,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:32:21,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 17:32:21,691 INFO L87 Difference]: Start difference. First operand 13228 states and 38045 transitions. Second operand 3 states. [2020-11-09 17:32:22,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:32:22,036 INFO L93 Difference]: Finished difference Result 13138 states and 37790 transitions. [2020-11-09 17:32:22,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:32:22,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 17:32:22,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:32:22,121 INFO L225 Difference]: With dead ends: 13138 [2020-11-09 17:32:22,121 INFO L226 Difference]: Without dead ends: 13138 [2020-11-09 17:32:22,127 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 17:32:22,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13138 states. [2020-11-09 17:32:22,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13138 to 13138. [2020-11-09 17:32:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13138 states. [2020-11-09 17:32:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13138 states to 13138 states and 37790 transitions. [2020-11-09 17:32:23,021 INFO L78 Accepts]: Start accepts. Automaton has 13138 states and 37790 transitions. Word has length 8 [2020-11-09 17:32:23,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:32:23,022 INFO L481 AbstractCegarLoop]: Abstraction has 13138 states and 37790 transitions. [2020-11-09 17:32:23,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:32:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 13138 states and 37790 transitions. [2020-11-09 17:32:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 17:32:23,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:32:23,026 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 17:32:23,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 17:32:23,241 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 17:32:23,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:32:23,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1062037903, now seen corresponding path program 1 times [2020-11-09 17:32:23,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:32:23,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971522544] [2020-11-09 17:32:23,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:32:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:32:23,296 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:32:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:32:23,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:32:23,352 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 17:32:23,353 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 17:32:23,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 17:32:23,355 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 17:32:23,356 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 17:32:23,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,373 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,374 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,385 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,386 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,386 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,386 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,386 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,388 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,391 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,394 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,394 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,394 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,394 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,394 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,398 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,398 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,399 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,399 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,399 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,400 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,401 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,402 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,403 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,404 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,405 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,407 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,408 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,409 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,410 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,411 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,412 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,413 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,414 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,415 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,415 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,416 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,416 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,420 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,421 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,421 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,422 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,422 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,423 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,425 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,426 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,426 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,427 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,427 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:32:23,432 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 17:32:23,432 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-09 17:32:23,433 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:32:23,433 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:32:23,434 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:32:23,434 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:32:23,434 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:32:23,434 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:32:23,434 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:32:23,434 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:32:23,442 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:32:23,442 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 305 transitions, 640 flow [2020-11-09 17:32:23,443 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 305 transitions, 640 flow [2020-11-09 17:32:23,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 305 transitions, 640 flow [2020-11-09 17:32:23,690 INFO L129 PetriNetUnfolder]: 128/682 cut-off events. [2020-11-09 17:32:23,690 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 17:32:23,701 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 3504 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 17:32:23,747 INFO L116 LiptonReduction]: Number of co-enabled transitions 52470 [2020-11-09 17:32:27,559 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-11-09 17:32:27,712 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-11-09 17:32:28,591 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 17:32:28,800 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 17:32:29,067 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-09 17:32:29,189 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 17:32:29,323 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-09 17:32:29,450 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-11-09 17:32:30,104 WARN L194 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-11-09 17:32:30,420 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 17:32:31,186 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 135 [2020-11-09 17:32:31,556 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-11-09 17:32:31,620 INFO L131 LiptonReduction]: Checked pairs total: 168219 [2020-11-09 17:32:31,620 INFO L133 LiptonReduction]: Total number of compositions: 204 [2020-11-09 17:32:31,621 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 158 transitions, 346 flow Received shutdown request... [2020-11-09 17:36:16,848 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 17:36:16,851 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 17:36:16,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:36:16 BasicIcfg [2020-11-09 17:36:16,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 17:36:16,857 INFO L168 Benchmark]: Toolchain (without parser) took 257120.74 ms. Allocated memory was 152.0 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 108.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 8.0 GB. [2020-11-09 17:36:16,858 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 152.0 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:36:16,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.35 ms. Allocated memory is still 152.0 MB. Free memory was 135.3 MB in the beginning and 116.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-11-09 17:36:16,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.52 ms. Allocated memory is still 152.0 MB. Free memory was 116.4 MB in the beginning and 114.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:36:16,870 INFO L168 Benchmark]: Boogie Preprocessor took 41.76 ms. Allocated memory is still 152.0 MB. Free memory was 114.3 MB in the beginning and 112.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:36:16,870 INFO L168 Benchmark]: RCFGBuilder took 878.49 ms. Allocated memory is still 152.0 MB. Free memory was 112.2 MB in the beginning and 77.1 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2020-11-09 17:36:16,873 INFO L168 Benchmark]: TraceAbstraction took 255373.34 ms. Allocated memory was 152.0 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 76.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2020-11-09 17:36:16,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 152.0 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 743.35 ms. Allocated memory is still 152.0 MB. Free memory was 135.3 MB in the beginning and 116.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 54.52 ms. Allocated memory is still 152.0 MB. Free memory was 116.4 MB in the beginning and 114.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.76 ms. Allocated memory is still 152.0 MB. Free memory was 114.3 MB in the beginning and 112.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 878.49 ms. Allocated memory is still 152.0 MB. Free memory was 112.2 MB in the beginning and 77.1 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 255373.34 ms. Allocated memory was 152.0 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 76.6 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5604 VarBasedMoverChecksPositive, 81 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 431 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.5s, 165 PlacesBefore, 57 PlacesAfterwards, 195 TransitionsBefore, 82 TransitionsAfterwards, 11130 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 30 ConcurrentYvCompositions, 5 ChoiceCompositions, 160 TotalNumberOfCompositions, 24165 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 13596 VarBasedMoverChecksPositive, 131 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 844 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.8s, 209 PlacesBefore, 86 PlacesAfterwards, 250 TransitionsBefore, 120 TransitionsAfterwards, 29044 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 113 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 7 ChoiceCompositions, 184 TotalNumberOfCompositions, 79558 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 23029 VarBasedMoverChecksPositive, 145 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 1216 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 8.1s, 253 PlacesBefore, 112 PlacesAfterwards, 305 TransitionsBefore, 158 TransitionsAfterwards, 52470 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 43 ConcurrentYvCompositions, 6 ChoiceCompositions, 204 TotalNumberOfCompositions, 168219 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 112 places, 158 transitions, 346 flow. Already constructed 387981 states. Currently 25218 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 112 places, 158 transitions, 346 flow. Already constructed 387981 states. Currently 25218 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 112 places, 158 transitions, 346 flow. Already constructed 387981 states. Currently 25218 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 112 places, 158 transitions, 346 flow. Already constructed 387981 states. Currently 25218 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 162 locations, 4 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 255.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 250.8s, HoareTripleCheckerStatistics: 203 SDtfs, 70 SDslu, 186 SDs, 0 SdLazy, 27 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18387occurred 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: 1.9s 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