/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-WP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 16:02:58,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 16:02:58,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 16:02:58,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 16:02:58,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 16:02:58,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 16:02:58,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 16:02:58,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 16:02:58,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 16:02:58,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 16:02:58,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 16:02:58,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 16:02:58,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 16:02:58,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 16:02:58,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 16:02:58,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 16:02:58,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 16:02:58,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 16:02:58,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 16:02:58,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 16:02:58,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 16:02:58,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 16:02:58,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 16:02:58,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 16:02:58,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-09 16:02:58,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-09 16:02:58,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-09 16:02:58,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-09 16:02:58,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-09 16:02:58,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-09 16:02:58,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 16:02:58,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 16:02:58,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 16:02:58,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 16:02:58,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 16:02:58,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 16:02:58,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 16:02:58,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 16:02:58,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 16:02:58,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 16:02:58,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 16:02:58,629 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-WP.epf [2020-11-09 16:02:58,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 16:02:58,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 16:02:58,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 16:02:58,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 16:02:58,660 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 16:02:58,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 16:02:58,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 16:02:58,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 16:02:58,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 16:02:58,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 16:02:58,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 16:02:58,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 16:02:58,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 16:02:58,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 16:02:58,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 16:02:58,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 16:02:58,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 16:02:58,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 16:02:58,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 16:02:58,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 16:02:58,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 16:02:58,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 16:02:58,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 16:02:58,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 16:02:58,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 16:02:58,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 16:02:58,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 16:02:58,666 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 16:02:58,666 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 16:02:58,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 16:02:58,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 16:02:59,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 16:02:59,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 16:02:59,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 16:02:59,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 16:02:59,075 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 16:02:59,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2020-11-09 16:02:59,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311035c26/4debf5fcee354d6f86ed16e1c55f6b85/FLAG5758635dd [2020-11-09 16:02:59,898 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 16:02:59,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2020-11-09 16:02:59,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311035c26/4debf5fcee354d6f86ed16e1c55f6b85/FLAG5758635dd [2020-11-09 16:03:00,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/311035c26/4debf5fcee354d6f86ed16e1c55f6b85 [2020-11-09 16:03:00,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 16:03:00,191 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 16:03:00,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 16:03:00,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 16:03:00,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 16:03:00,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d57a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00, skipping insertion in model container [2020-11-09 16:03:00,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 16:03:00,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 16:03:00,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:03:00,644 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 16:03:00,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 16:03:00,807 INFO L208 MainTranslator]: Completed translation [2020-11-09 16:03:00,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00 WrapperNode [2020-11-09 16:03:00,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 16:03:00,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 16:03:00,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 16:03:00,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 16:03:00,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 16:03:00,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 16:03:00,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 16:03:00,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 16:03:00,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (1/1) ... [2020-11-09 16:03:00,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 16:03:00,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 16:03:00,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 16:03:00,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 16:03:00,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (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 16:03:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-11-09 16:03:01,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 16:03:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 16:03:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 16:03:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 16:03:01,047 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 16:03:01,047 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 16:03:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 16:03:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 16:03:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 16:03:01,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 16:03:01,050 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 16:03:01,488 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 16:03:01,488 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-11-09 16:03:01,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:03:01 BoogieIcfgContainer [2020-11-09 16:03:01,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 16:03:01,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 16:03:01,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 16:03:01,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 16:03:01,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:03:00" (1/3) ... [2020-11-09 16:03:01,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf07f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:03:01, skipping insertion in model container [2020-11-09 16:03:01,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:03:00" (2/3) ... [2020-11-09 16:03:01,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf07f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:03:01, skipping insertion in model container [2020-11-09 16:03:01,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:03:01" (3/3) ... [2020-11-09 16:03:01,500 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2020-11-09 16:03:01,517 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 16:03:01,517 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 16:03:01,521 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 16:03:01,523 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 16:03:01,554 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,555 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,555 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,555 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,556 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,556 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,556 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,556 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,557 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,557 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,557 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,557 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,560 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,567 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,567 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,568 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,568 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:01,576 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 16:03:01,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 16:03:01,614 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:03:01,614 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:03:01,614 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:03:01,615 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:03:01,615 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:03:01,615 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:03:01,615 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:03:01,615 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:03:01,628 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:03:01,629 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 103 transitions, 214 flow [2020-11-09 16:03:01,632 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 103 transitions, 214 flow [2020-11-09 16:03:01,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 103 transitions, 214 flow [2020-11-09 16:03:01,693 INFO L129 PetriNetUnfolder]: 23/143 cut-off events. [2020-11-09 16:03:01,693 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 16:03:01,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 143 events. 23/143 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 413 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 72. Up to 6 conditions per place. [2020-11-09 16:03:01,704 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2020-11-09 16:03:04,450 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-09 16:03:04,700 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-11-09 16:03:05,978 WARN L194 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 16:03:06,195 WARN L194 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:06,636 WARN L194 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 16:03:06,857 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:06,868 INFO L131 LiptonReduction]: Checked pairs total: 4592 [2020-11-09 16:03:06,868 INFO L133 LiptonReduction]: Total number of compositions: 85 [2020-11-09 16:03:06,875 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 38 transitions, 84 flow [2020-11-09 16:03:06,892 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 165 states. [2020-11-09 16:03:06,894 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-11-09 16:03:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 16:03:06,899 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:06,900 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 16:03:06,900 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:06,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:06,906 INFO L82 PathProgramCache]: Analyzing trace with hash 393819359, now seen corresponding path program 1 times [2020-11-09 16:03:06,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:06,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650940576] [2020-11-09 16:03:06,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:07,150 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 16:03:07,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650940576] [2020-11-09 16:03:07,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:03:07,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:03:07,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [435758577] [2020-11-09 16:03:07,155 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:03:07,157 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:03:07,169 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 16:03:07,169 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:03:07,175 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:03:07,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:03:07,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:03:07,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:03:07,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:03:07,196 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 3 states. [2020-11-09 16:03:07,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:03:07,225 INFO L93 Difference]: Finished difference Result 157 states and 292 transitions. [2020-11-09 16:03:07,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:03:07,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 16:03:07,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:03:07,238 INFO L225 Difference]: With dead ends: 157 [2020-11-09 16:03:07,238 INFO L226 Difference]: Without dead ends: 83 [2020-11-09 16:03:07,239 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 16:03:07,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-09 16:03:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-11-09 16:03:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-11-09 16:03:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 155 transitions. [2020-11-09 16:03:07,283 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 155 transitions. Word has length 5 [2020-11-09 16:03:07,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:03:07,283 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 155 transitions. [2020-11-09 16:03:07,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:03:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 155 transitions. [2020-11-09 16:03:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 16:03:07,284 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:07,284 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 16:03:07,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 16:03:07,285 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:07,285 INFO L82 PathProgramCache]: Analyzing trace with hash -707360381, now seen corresponding path program 1 times [2020-11-09 16:03:07,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:07,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453635482] [2020-11-09 16:03:07,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:03:07,343 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:03:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:03:07,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:03:07,431 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 16:03:07,432 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 16:03:07,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 16:03:07,434 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 16:03:07,434 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 16:03:07,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,462 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,463 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,463 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,470 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,474 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,475 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:07,478 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 16:03:07,478 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 16:03:07,480 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:03:07,480 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:03:07,480 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:03:07,480 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:03:07,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:03:07,480 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:03:07,481 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:03:07,481 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:03:07,487 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:03:07,487 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 133 transitions, 284 flow [2020-11-09 16:03:07,487 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 133 transitions, 284 flow [2020-11-09 16:03:07,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 133 transitions, 284 flow [2020-11-09 16:03:07,565 INFO L129 PetriNetUnfolder]: 40/236 cut-off events. [2020-11-09 16:03:07,566 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 16:03:07,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 236 events. 40/236 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 796 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 145. Up to 9 conditions per place. [2020-11-09 16:03:07,585 INFO L116 LiptonReduction]: Number of co-enabled transitions 7224 [2020-11-09 16:03:10,039 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-09 16:03:10,286 WARN L194 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-09 16:03:10,575 WARN L194 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-11-09 16:03:10,899 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-11-09 16:03:11,029 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 16:03:11,431 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-11-09 16:03:11,621 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:11,995 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-11-09 16:03:12,175 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:12,199 INFO L131 LiptonReduction]: Checked pairs total: 17719 [2020-11-09 16:03:12,200 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-11-09 16:03:12,200 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 61 transitions, 140 flow [2020-11-09 16:03:12,348 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2584 states. [2020-11-09 16:03:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states. [2020-11-09 16:03:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 16:03:12,349 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:12,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 16:03:12,350 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:12,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:12,351 INFO L82 PathProgramCache]: Analyzing trace with hash 639163964, now seen corresponding path program 1 times [2020-11-09 16:03:12,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:12,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504453756] [2020-11-09 16:03:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:12,386 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 16:03:12,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504453756] [2020-11-09 16:03:12,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:03:12,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:03:12,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [39402651] [2020-11-09 16:03:12,388 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:03:12,388 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:03:12,389 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 16:03:12,389 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:03:12,390 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:03:12,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:03:12,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:03:12,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:03:12,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:03:12,391 INFO L87 Difference]: Start difference. First operand 2584 states. Second operand 3 states. [2020-11-09 16:03:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:03:12,493 INFO L93 Difference]: Finished difference Result 2420 states and 6636 transitions. [2020-11-09 16:03:12,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:03:12,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 16:03:12,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:03:12,518 INFO L225 Difference]: With dead ends: 2420 [2020-11-09 16:03:12,519 INFO L226 Difference]: Without dead ends: 1395 [2020-11-09 16:03:12,519 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 16:03:12,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-11-09 16:03:12,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2020-11-09 16:03:12,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2020-11-09 16:03:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 3871 transitions. [2020-11-09 16:03:12,635 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 3871 transitions. Word has length 5 [2020-11-09 16:03:12,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:03:12,636 INFO L481 AbstractCegarLoop]: Abstraction has 1395 states and 3871 transitions. [2020-11-09 16:03:12,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:03:12,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 3871 transitions. [2020-11-09 16:03:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 16:03:12,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:12,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:03:12,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 16:03:12,638 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:12,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:12,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1902601349, now seen corresponding path program 1 times [2020-11-09 16:03:12,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:12,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192662357] [2020-11-09 16:03:12,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:12,720 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 16:03:12,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192662357] [2020-11-09 16:03:12,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333312965] [2020-11-09 16:03:12,721 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 16:03:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:12,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 16:03:12,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:03:12,808 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 16:03:12,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 16:03:12,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 16:03:12,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [418741335] [2020-11-09 16:03:12,809 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:03:12,810 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:03:12,811 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-11-09 16:03:12,811 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:03:12,812 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:03:12,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:03:12,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:03:12,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:03:12,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:03:12,813 INFO L87 Difference]: Start difference. First operand 1395 states and 3871 transitions. Second operand 3 states. [2020-11-09 16:03:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:03:12,871 INFO L93 Difference]: Finished difference Result 1365 states and 3786 transitions. [2020-11-09 16:03:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:03:12,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 16:03:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:03:12,882 INFO L225 Difference]: With dead ends: 1365 [2020-11-09 16:03:12,882 INFO L226 Difference]: Without dead ends: 1365 [2020-11-09 16:03:12,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 16:03:12,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-11-09 16:03:12,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1365. [2020-11-09 16:03:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2020-11-09 16:03:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 3786 transitions. [2020-11-09 16:03:12,955 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 3786 transitions. Word has length 9 [2020-11-09 16:03:12,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:03:12,956 INFO L481 AbstractCegarLoop]: Abstraction has 1365 states and 3786 transitions. [2020-11-09 16:03:12,956 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:03:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 3786 transitions. [2020-11-09 16:03:12,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 16:03:12,958 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:12,958 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 16:03:13,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:03:13,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:13,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:13,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1367615079, now seen corresponding path program 1 times [2020-11-09 16:03:13,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:13,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787671990] [2020-11-09 16:03:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:03:13,216 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:03:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:03:13,243 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:03:13,258 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 16:03:13,259 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 16:03:13,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 16:03:13,264 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 16:03:13,265 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 16:03:13,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,288 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,290 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,295 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,304 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,305 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:13,311 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 16:03:13,311 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 16:03:13,312 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:03:13,315 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:03:13,315 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:03:13,315 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:03:13,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:03:13,316 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:03:13,316 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:03:13,316 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:03:13,322 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:03:13,322 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 163 transitions, 356 flow [2020-11-09 16:03:13,322 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 163 transitions, 356 flow [2020-11-09 16:03:13,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 163 transitions, 356 flow [2020-11-09 16:03:13,413 INFO L129 PetriNetUnfolder]: 62/360 cut-off events. [2020-11-09 16:03:13,413 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 16:03:13,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 360 events. 62/360 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1345 event pairs, 1 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 244. Up to 16 conditions per place. [2020-11-09 16:03:13,438 INFO L116 LiptonReduction]: Number of co-enabled transitions 13440 [2020-11-09 16:03:15,984 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-11-09 16:03:16,155 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-11-09 16:03:17,145 WARN L194 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 16:03:17,326 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:17,710 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 16:03:17,899 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:17,912 INFO L131 LiptonReduction]: Checked pairs total: 34307 [2020-11-09 16:03:17,913 INFO L133 LiptonReduction]: Total number of compositions: 109 [2020-11-09 16:03:17,913 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 78 transitions, 186 flow [2020-11-09 16:03:20,998 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29991 states. [2020-11-09 16:03:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 29991 states. [2020-11-09 16:03:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 16:03:20,999 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:20,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 16:03:21,000 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:21,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:21,000 INFO L82 PathProgramCache]: Analyzing trace with hash 927214621, now seen corresponding path program 1 times [2020-11-09 16:03:21,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:21,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867290503] [2020-11-09 16:03:21,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:21,053 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 16:03:21,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867290503] [2020-11-09 16:03:21,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 16:03:21,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 16:03:21,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1657074950] [2020-11-09 16:03:21,054 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:03:21,054 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:03:21,055 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 16:03:21,055 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:03:21,055 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:03:21,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:03:21,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:03:21,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:03:21,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 16:03:21,057 INFO L87 Difference]: Start difference. First operand 29991 states. Second operand 3 states. [2020-11-09 16:03:21,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:03:21,766 INFO L93 Difference]: Finished difference Result 29984 states and 108764 transitions. [2020-11-09 16:03:21,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:03:21,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 16:03:21,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:03:21,941 INFO L225 Difference]: With dead ends: 29984 [2020-11-09 16:03:21,943 INFO L226 Difference]: Without dead ends: 16803 [2020-11-09 16:03:21,943 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 16:03:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16803 states. [2020-11-09 16:03:23,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16803 to 16803. [2020-11-09 16:03:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16803 states. [2020-11-09 16:03:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16803 states to 16803 states and 61927 transitions. [2020-11-09 16:03:23,331 INFO L78 Accepts]: Start accepts. Automaton has 16803 states and 61927 transitions. Word has length 5 [2020-11-09 16:03:23,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:03:23,331 INFO L481 AbstractCegarLoop]: Abstraction has 16803 states and 61927 transitions. [2020-11-09 16:03:23,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:03:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 16803 states and 61927 transitions. [2020-11-09 16:03:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 16:03:23,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:23,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:03:23,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 16:03:23,334 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:23,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:23,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1954346939, now seen corresponding path program 1 times [2020-11-09 16:03:23,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:23,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563286798] [2020-11-09 16:03:23,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:23,395 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 16:03:23,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563286798] [2020-11-09 16:03:23,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445391810] [2020-11-09 16:03:23,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:03:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:23,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 16:03:23,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:03:23,474 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 16:03:23,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 16:03:23,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 16:03:23,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1076790239] [2020-11-09 16:03:23,475 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:03:23,476 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:03:23,477 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2020-11-09 16:03:23,477 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:03:23,478 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:03:23,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 16:03:23,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:03:23,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 16:03:23,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:03:23,479 INFO L87 Difference]: Start difference. First operand 16803 states and 61927 transitions. Second operand 3 states. [2020-11-09 16:03:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:03:23,941 INFO L93 Difference]: Finished difference Result 16648 states and 61342 transitions. [2020-11-09 16:03:23,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 16:03:23,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 16:03:23,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:03:24,054 INFO L225 Difference]: With dead ends: 16648 [2020-11-09 16:03:24,054 INFO L226 Difference]: Without dead ends: 16648 [2020-11-09 16:03:24,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 16:03:24,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16648 states. [2020-11-09 16:03:25,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16648 to 16648. [2020-11-09 16:03:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16648 states. [2020-11-09 16:03:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16648 states to 16648 states and 61342 transitions. [2020-11-09 16:03:25,092 INFO L78 Accepts]: Start accepts. Automaton has 16648 states and 61342 transitions. Word has length 9 [2020-11-09 16:03:25,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:03:25,092 INFO L481 AbstractCegarLoop]: Abstraction has 16648 states and 61342 transitions. [2020-11-09 16:03:25,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 16:03:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 16648 states and 61342 transitions. [2020-11-09 16:03:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 16:03:25,096 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:25,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 16:03:25,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:03:25,311 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:25,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:25,313 INFO L82 PathProgramCache]: Analyzing trace with hash -631882854, now seen corresponding path program 1 times [2020-11-09 16:03:25,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:25,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137247560] [2020-11-09 16:03:25,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:25,374 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 16:03:25,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137247560] [2020-11-09 16:03:25,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133776602] [2020-11-09 16:03:25,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:03:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 16:03:25,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 16:03:25,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 16:03:25,453 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 16:03:25,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 16:03:25,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2020-11-09 16:03:25,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [565653115] [2020-11-09 16:03:25,455 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 16:03:25,457 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 16:03:25,464 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-11-09 16:03:25,464 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 16:03:25,464 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 16:03:25,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 16:03:25,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 16:03:25,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 16:03:25,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:03:25,466 INFO L87 Difference]: Start difference. First operand 16648 states and 61342 transitions. Second operand 4 states. [2020-11-09 16:03:25,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 16:03:25,828 INFO L93 Difference]: Finished difference Result 16605 states and 61248 transitions. [2020-11-09 16:03:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 16:03:25,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 16:03:25,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 16:03:25,914 INFO L225 Difference]: With dead ends: 16605 [2020-11-09 16:03:25,915 INFO L226 Difference]: Without dead ends: 16605 [2020-11-09 16:03:25,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-09 16:03:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16605 states. [2020-11-09 16:03:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16605 to 16605. [2020-11-09 16:03:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16605 states. [2020-11-09 16:03:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16605 states to 16605 states and 61248 transitions. [2020-11-09 16:03:26,975 INFO L78 Accepts]: Start accepts. Automaton has 16605 states and 61248 transitions. Word has length 14 [2020-11-09 16:03:26,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 16:03:26,976 INFO L481 AbstractCegarLoop]: Abstraction has 16605 states and 61248 transitions. [2020-11-09 16:03:26,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 16:03:26,976 INFO L276 IsEmpty]: Start isEmpty. Operand 16605 states and 61248 transitions. [2020-11-09 16:03:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 16:03:26,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 16:03:26,978 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 16:03:27,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 16:03:27,192 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 16:03:27,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 16:03:27,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1719920852, now seen corresponding path program 1 times [2020-11-09 16:03:27,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 16:03:27,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928349004] [2020-11-09 16:03:27,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 16:03:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:03:27,218 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:03:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 16:03:27,242 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 16:03:27,257 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 16:03:27,257 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 16:03:27,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 16:03:27,258 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 16:03:27,258 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 16:03:27,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,274 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,274 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,280 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,281 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,284 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,285 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,286 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,288 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,289 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,290 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,291 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,292 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,293 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,294 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,295 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,296 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,297 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,297 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,303 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,303 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,305 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,305 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 16:03:27,310 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 16:03:27,310 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 16:03:27,311 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 16:03:27,311 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 16:03:27,311 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 16:03:27,311 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 16:03:27,311 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 16:03:27,312 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 16:03:27,312 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 16:03:27,312 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 16:03:27,314 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 16:03:27,314 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 193 transitions, 430 flow [2020-11-09 16:03:27,314 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 193 transitions, 430 flow [2020-11-09 16:03:27,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 193 transitions, 430 flow [2020-11-09 16:03:27,420 INFO L129 PetriNetUnfolder]: 96/548 cut-off events. [2020-11-09 16:03:27,420 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-11-09 16:03:27,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 548 events. 96/548 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2278 event pairs, 6 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 380. Up to 32 conditions per place. [2020-11-09 16:03:27,455 INFO L116 LiptonReduction]: Number of co-enabled transitions 21392 [2020-11-09 16:03:27,691 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2020-11-09 16:03:30,398 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-11-09 16:03:30,593 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-11-09 16:03:31,466 WARN L194 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 16:03:31,663 WARN L194 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:32,069 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 16:03:32,252 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 16:03:32,269 INFO L131 LiptonReduction]: Checked pairs total: 56604 [2020-11-09 16:03:32,269 INFO L133 LiptonReduction]: Total number of compositions: 123 [2020-11-09 16:03:32,270 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 97 transitions, 238 flow Received shutdown request... [2020-11-09 16:07:21,232 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 16:07:21,235 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 16:07:21,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:07:21 BasicIcfg [2020-11-09 16:07:21,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 16:07:21,236 INFO L168 Benchmark]: Toolchain (without parser) took 261050.50 ms. Allocated memory was 151.0 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 124.5 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.4 GB. Max. memory is 8.0 GB. [2020-11-09 16:07:21,237 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 16:07:21,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.68 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 130.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. [2020-11-09 16:07:21,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.11 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 128.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 16:07:21,247 INFO L168 Benchmark]: Boogie Preprocessor took 56.69 ms. Allocated memory is still 151.0 MB. Free memory was 128.5 MB in the beginning and 126.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 16:07:21,249 INFO L168 Benchmark]: RCFGBuilder took 518.17 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 101.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-11-09 16:07:21,250 INFO L168 Benchmark]: TraceAbstraction took 259743.31 ms. Allocated memory was 151.0 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 101.7 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 8.0 GB. [2020-11-09 16:07:21,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 122.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 624.68 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 130.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 92.11 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 128.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.69 ms. Allocated memory is still 151.0 MB. Free memory was 128.5 MB in the beginning and 126.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 518.17 ms. Allocated memory is still 151.0 MB. Free memory was 126.9 MB in the beginning and 101.7 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 259743.31 ms. Allocated memory was 151.0 MB in the beginning and 4.5 GB in the end (delta: 4.3 GB). Free memory was 101.7 MB in the beginning and 2.4 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1239 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 96 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.2s, 91 PlacesBefore, 29 PlacesAfterwards, 103 TransitionsBefore, 38 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 3 ChoiceCompositions, 85 TotalNumberOfCompositions, 4592 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3326 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 256 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.7s, 116 PlacesBefore, 47 PlacesAfterwards, 133 TransitionsBefore, 61 TransitionsAfterwards, 7224 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 3 ChoiceCompositions, 94 TotalNumberOfCompositions, 17719 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5989 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 506 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 141 PlacesBefore, 60 PlacesAfterwards, 163 TransitionsBefore, 78 TransitionsAfterwards, 13440 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 109 TotalNumberOfCompositions, 34307 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9573 VarBasedMoverChecksPositive, 97 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 854 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.9s, 166 PlacesBefore, 74 PlacesAfterwards, 193 TransitionsBefore, 97 TransitionsAfterwards, 21392 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 25 ConcurrentYvCompositions, 4 ChoiceCompositions, 123 TotalNumberOfCompositions, 56604 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 74 places, 97 transitions, 238 flow. Already constructed 308732 states. Currently 28348 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 259.4s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 251.7s, HoareTripleCheckerStatistics: 242 SDtfs, 105 SDslu, 249 SDs, 0 SdLazy, 50 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29991occurred 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: 3.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 1342 SizeOfPredicates, 1 NumberOfNonLiveVariables, 268 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 2/6 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