/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_02-simple_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 15:57:00,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 15:57:00,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 15:57:00,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 15:57:00,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 15:57:00,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 15:57:00,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 15:57:00,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 15:57:00,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 15:57:00,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 15:57:00,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 15:57:00,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 15:57:00,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 15:57:00,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 15:57:00,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 15:57:00,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 15:57:00,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 15:57:00,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 15:57:00,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 15:57:00,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 15:57:00,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 15:57:00,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 15:57:00,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 15:57:00,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 15:57:00,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 15:57:00,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 15:57:00,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 15:57:00,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 15:57:00,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 15:57:00,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 15:57:00,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 15:57:00,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 15:57:00,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 15:57:00,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 15:57:00,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 15:57:00,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 15:57:00,746 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 15:57:00,810 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 15:57:00,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 15:57:00,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 15:57:00,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 15:57:00,815 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 15:57:00,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 15:57:00,815 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 15:57:00,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 15:57:00,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 15:57:00,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 15:57:00,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 15:57:00,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 15:57:00,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 15:57:00,818 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 15:57:00,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 15:57:00,818 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 15:57:00,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 15:57:00,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 15:57:00,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 15:57:00,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 15:57:00,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 15:57:00,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 15:57:00,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 15:57:00,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 15:57:00,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 15:57:00,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 15:57:00,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 15:57:00,821 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 15:57:00,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 15:57:00,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 15:57:00,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 15:57:01,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 15:57:01,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 15:57:01,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 15:57:01,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 15:57:01,273 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 15:57:01,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2020-11-09 15:57:01,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79334959e/db08e68712454e80b2a28df9283ce3b5/FLAGb7e7a5680 [2020-11-09 15:57:02,172 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 15:57:02,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2020-11-09 15:57:02,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79334959e/db08e68712454e80b2a28df9283ce3b5/FLAGb7e7a5680 [2020-11-09 15:57:02,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79334959e/db08e68712454e80b2a28df9283ce3b5 [2020-11-09 15:57:02,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 15:57:02,391 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 15:57:02,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 15:57:02,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 15:57:02,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 15:57:02,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:57:02" (1/1) ... [2020-11-09 15:57:02,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c080256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:02, skipping insertion in model container [2020-11-09 15:57:02,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:57:02" (1/1) ... [2020-11-09 15:57:02,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 15:57:02,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 15:57:02,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:57:02,929 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 15:57:03,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 15:57:03,184 INFO L208 MainTranslator]: Completed translation [2020-11-09 15:57:03,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03 WrapperNode [2020-11-09 15:57:03,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 15:57:03,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 15:57:03,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 15:57:03,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 15:57:03,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 15:57:03,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 15:57:03,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 15:57:03,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 15:57:03,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (1/1) ... [2020-11-09 15:57:03,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 15:57:03,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 15:57:03,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 15:57:03,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 15:57:03,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (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 15:57:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 15:57:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 15:57:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 15:57:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 15:57:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 15:57:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 15:57:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 15:57:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 15:57:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 15:57:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 15:57:03,370 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 15:57:04,033 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 15:57:04,034 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-09 15:57:04,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:57:04 BoogieIcfgContainer [2020-11-09 15:57:04,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 15:57:04,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 15:57:04,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 15:57:04,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 15:57:04,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:57:02" (1/3) ... [2020-11-09 15:57:04,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d87e62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:57:04, skipping insertion in model container [2020-11-09 15:57:04,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:03" (2/3) ... [2020-11-09 15:57:04,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d87e62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:57:04, skipping insertion in model container [2020-11-09 15:57:04,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:57:04" (3/3) ... [2020-11-09 15:57:04,045 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_02-simple_racefree.i [2020-11-09 15:57:04,062 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 15:57:04,063 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 15:57:04,067 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 15:57:04,068 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 15:57:04,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,109 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,109 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,115 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,116 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,118 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,119 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,119 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,120 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,120 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:04,138 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 15:57:04,154 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 15:57:04,192 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:57:04,192 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:57:04,192 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:57:04,193 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:57:04,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:57:04,193 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:57:04,193 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:57:04,193 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:57:04,216 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:57:04,217 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 107 transitions, 222 flow [2020-11-09 15:57:04,221 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 107 transitions, 222 flow [2020-11-09 15:57:04,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 107 transitions, 222 flow [2020-11-09 15:57:04,295 INFO L129 PetriNetUnfolder]: 19/142 cut-off events. [2020-11-09 15:57:04,295 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 15:57:04,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 142 events. 19/142 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 349 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 68. Up to 4 conditions per place. [2020-11-09 15:57:04,307 INFO L116 LiptonReduction]: Number of co-enabled transitions 2240 [2020-11-09 15:57:08,397 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-11-09 15:57:08,551 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 15:57:08,863 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-11-09 15:57:09,026 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 15:57:09,609 WARN L194 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 15:57:09,912 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:10,482 WARN L194 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 15:57:10,757 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:10,767 INFO L131 LiptonReduction]: Checked pairs total: 4108 [2020-11-09 15:57:10,767 INFO L133 LiptonReduction]: Total number of compositions: 89 [2020-11-09 15:57:10,775 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 36 transitions, 80 flow [2020-11-09 15:57:10,792 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 154 states. [2020-11-09 15:57:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-11-09 15:57:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 15:57:10,801 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:10,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 15:57:10,802 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:10,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:10,807 INFO L82 PathProgramCache]: Analyzing trace with hash 12875834, now seen corresponding path program 1 times [2020-11-09 15:57:10,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:10,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047323291] [2020-11-09 15:57:10,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:11,094 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 15:57:11,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047323291] [2020-11-09 15:57:11,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:57:11,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:57:11,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1583914934] [2020-11-09 15:57:11,099 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:57:11,102 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:57:11,116 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-11-09 15:57:11,116 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:57:11,124 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:57:11,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:57:11,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:57:11,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:57:11,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:57:11,152 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-11-09 15:57:11,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:57:11,207 INFO L93 Difference]: Finished difference Result 137 states and 244 transitions. [2020-11-09 15:57:11,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:57:11,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 15:57:11,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:57:11,228 INFO L225 Difference]: With dead ends: 137 [2020-11-09 15:57:11,229 INFO L226 Difference]: Without dead ends: 73 [2020-11-09 15:57:11,239 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 15:57:11,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-09 15:57:11,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-09 15:57:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-09 15:57:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 126 transitions. [2020-11-09 15:57:11,305 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 126 transitions. Word has length 4 [2020-11-09 15:57:11,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:57:11,305 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 126 transitions. [2020-11-09 15:57:11,306 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:57:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2020-11-09 15:57:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 15:57:11,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:11,307 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 15:57:11,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 15:57:11,307 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:11,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:11,312 INFO L82 PathProgramCache]: Analyzing trace with hash -532779261, now seen corresponding path program 1 times [2020-11-09 15:57:11,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:11,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550192081] [2020-11-09 15:57:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:57:11,382 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:57:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:57:11,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:57:11,430 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:57:11,430 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:57:11,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 15:57:11,432 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:57:11,432 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 15:57:11,441 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,442 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,442 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,443 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,443 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,444 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,445 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,446 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,447 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,448 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,449 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,449 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,449 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,450 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,450 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,451 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,456 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,457 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,460 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,461 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:11,468 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 15:57:11,469 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 15:57:11,470 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:57:11,470 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:57:11,470 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:57:11,470 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:57:11,470 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:57:11,470 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:57:11,470 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:57:11,470 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:57:11,473 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:57:11,473 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 137 transitions, 292 flow [2020-11-09 15:57:11,473 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 137 transitions, 292 flow [2020-11-09 15:57:11,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 137 transitions, 292 flow [2020-11-09 15:57:11,526 INFO L129 PetriNetUnfolder]: 34/230 cut-off events. [2020-11-09 15:57:11,526 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 15:57:11,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244 conditions, 230 events. 34/230 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 712 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 144. Up to 8 conditions per place. [2020-11-09 15:57:11,544 INFO L116 LiptonReduction]: Number of co-enabled transitions 6664 [2020-11-09 15:57:14,105 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-09 15:57:14,293 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-09 15:57:15,304 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-11-09 15:57:15,465 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-09 15:57:15,847 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-11-09 15:57:16,003 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-11-09 15:57:16,513 WARN L194 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 15:57:16,745 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:17,238 WARN L194 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 15:57:17,495 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:17,518 INFO L131 LiptonReduction]: Checked pairs total: 17466 [2020-11-09 15:57:17,518 INFO L133 LiptonReduction]: Total number of compositions: 104 [2020-11-09 15:57:17,518 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 55 transitions, 128 flow [2020-11-09 15:57:17,641 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2113 states. [2020-11-09 15:57:17,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states. [2020-11-09 15:57:17,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 15:57:17,642 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:17,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 15:57:17,643 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:17,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:17,643 INFO L82 PathProgramCache]: Analyzing trace with hash 21199912, now seen corresponding path program 1 times [2020-11-09 15:57:17,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:17,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081259545] [2020-11-09 15:57:17,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:17,719 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 15:57:17,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081259545] [2020-11-09 15:57:17,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:57:17,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:57:17,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1870303323] [2020-11-09 15:57:17,720 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:57:17,721 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:57:17,722 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-11-09 15:57:17,722 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:57:17,722 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:57:17,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:57:17,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:57:17,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:57:17,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:57:17,724 INFO L87 Difference]: Start difference. First operand 2113 states. Second operand 3 states. [2020-11-09 15:57:17,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:57:17,804 INFO L93 Difference]: Finished difference Result 2108 states and 5618 transitions. [2020-11-09 15:57:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:57:17,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 15:57:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:57:17,827 INFO L225 Difference]: With dead ends: 2108 [2020-11-09 15:57:17,828 INFO L226 Difference]: Without dead ends: 1239 [2020-11-09 15:57:17,828 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 15:57:17,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states. [2020-11-09 15:57:18,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1239. [2020-11-09 15:57:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-11-09 15:57:18,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 3284 transitions. [2020-11-09 15:57:18,010 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 3284 transitions. Word has length 4 [2020-11-09 15:57:18,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:57:18,010 INFO L481 AbstractCegarLoop]: Abstraction has 1239 states and 3284 transitions. [2020-11-09 15:57:18,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:57:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3284 transitions. [2020-11-09 15:57:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:57:18,012 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:18,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:57:18,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 15:57:18,012 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:18,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:18,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1750731398, now seen corresponding path program 1 times [2020-11-09 15:57:18,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:18,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498806239] [2020-11-09 15:57:18,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:18,085 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 15:57:18,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498806239] [2020-11-09 15:57:18,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656795974] [2020-11-09 15:57:18,086 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 15:57:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:18,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 15:57:18,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 15:57:18,167 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 15:57:18,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 15:57:18,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 15:57:18,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1115487375] [2020-11-09 15:57:18,168 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:57:18,169 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:57:18,170 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:57:18,170 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:57:18,171 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:57:18,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:57:18,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:57:18,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:57:18,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:57:18,172 INFO L87 Difference]: Start difference. First operand 1239 states and 3284 transitions. Second operand 3 states. [2020-11-09 15:57:18,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:57:18,207 INFO L93 Difference]: Finished difference Result 1209 states and 3199 transitions. [2020-11-09 15:57:18,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:57:18,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:57:18,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:57:18,217 INFO L225 Difference]: With dead ends: 1209 [2020-11-09 15:57:18,217 INFO L226 Difference]: Without dead ends: 1209 [2020-11-09 15:57:18,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:57:18,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2020-11-09 15:57:18,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2020-11-09 15:57:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-11-09 15:57:18,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 3199 transitions. [2020-11-09 15:57:18,318 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 3199 transitions. Word has length 8 [2020-11-09 15:57:18,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:57:18,319 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 3199 transitions. [2020-11-09 15:57:18,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:57:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3199 transitions. [2020-11-09 15:57:18,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 15:57:18,323 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:18,323 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 15:57:18,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 15:57:18,528 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:18,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:18,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1825120194, now seen corresponding path program 1 times [2020-11-09 15:57:18,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:18,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250186842] [2020-11-09 15:57:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:57:18,566 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:57:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:57:18,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:57:18,605 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:57:18,606 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:57:18,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 15:57:18,606 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:57:18,607 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 15:57:18,617 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,619 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,620 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,621 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,622 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,623 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,624 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,624 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,624 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,625 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,625 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,626 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,627 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,631 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,631 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,636 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,636 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,636 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,636 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,637 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,639 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,639 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,640 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,643 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,644 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,644 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:18,647 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 15:57:18,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 15:57:18,648 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:57:18,649 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:57:18,649 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:57:18,649 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:57:18,649 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:57:18,649 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:57:18,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:57:18,649 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:57:18,651 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:57:18,652 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 167 transitions, 364 flow [2020-11-09 15:57:18,652 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 167 transitions, 364 flow [2020-11-09 15:57:18,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 167 transitions, 364 flow [2020-11-09 15:57:18,746 INFO L129 PetriNetUnfolder]: 54/349 cut-off events. [2020-11-09 15:57:18,746 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 15:57:18,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 349 events. 54/349 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1233 event pairs, 1 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 238. Up to 16 conditions per place. [2020-11-09 15:57:18,776 INFO L116 LiptonReduction]: Number of co-enabled transitions 12600 [2020-11-09 15:57:21,116 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-11-09 15:57:22,392 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-11-09 15:57:22,554 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 15:57:22,886 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-11-09 15:57:23,054 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-11-09 15:57:23,556 WARN L194 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 15:57:23,807 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:24,329 WARN L194 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-11-09 15:57:24,572 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:24,584 INFO L131 LiptonReduction]: Checked pairs total: 31282 [2020-11-09 15:57:24,584 INFO L133 LiptonReduction]: Total number of compositions: 113 [2020-11-09 15:57:24,585 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 76 transitions, 182 flow [2020-11-09 15:57:28,474 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 28106 states. [2020-11-09 15:57:28,474 INFO L276 IsEmpty]: Start isEmpty. Operand 28106 states. [2020-11-09 15:57:28,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-09 15:57:28,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:28,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-09 15:57:28,475 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:28,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:28,475 INFO L82 PathProgramCache]: Analyzing trace with hash 30740782, now seen corresponding path program 1 times [2020-11-09 15:57:28,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:28,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423812422] [2020-11-09 15:57:28,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:28,499 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 15:57:28,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423812422] [2020-11-09 15:57:28,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 15:57:28,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 15:57:28,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1252397242] [2020-11-09 15:57:28,500 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:57:28,500 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:57:28,501 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-11-09 15:57:28,501 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:57:28,501 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:57:28,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:57:28,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:57:28,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:57:28,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 15:57:28,503 INFO L87 Difference]: Start difference. First operand 28106 states. Second operand 3 states. [2020-11-09 15:57:29,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:57:29,316 INFO L93 Difference]: Finished difference Result 28100 states and 99969 transitions. [2020-11-09 15:57:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:57:29,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-11-09 15:57:29,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:57:29,664 INFO L225 Difference]: With dead ends: 28100 [2020-11-09 15:57:29,664 INFO L226 Difference]: Without dead ends: 14919 [2020-11-09 15:57:29,665 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 15:57:30,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14919 states. [2020-11-09 15:57:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14919 to 14919. [2020-11-09 15:57:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14919 states. [2020-11-09 15:57:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14919 states to 14919 states and 53132 transitions. [2020-11-09 15:57:30,915 INFO L78 Accepts]: Start accepts. Automaton has 14919 states and 53132 transitions. Word has length 4 [2020-11-09 15:57:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:57:30,916 INFO L481 AbstractCegarLoop]: Abstraction has 14919 states and 53132 transitions. [2020-11-09 15:57:30,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:57:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 14919 states and 53132 transitions. [2020-11-09 15:57:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-09 15:57:30,917 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:30,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:57:30,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 15:57:30,917 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:30,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:30,918 INFO L82 PathProgramCache]: Analyzing trace with hash 194384311, now seen corresponding path program 1 times [2020-11-09 15:57:30,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:30,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035255216] [2020-11-09 15:57:30,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:30,957 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 15:57:30,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035255216] [2020-11-09 15:57:30,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668758645] [2020-11-09 15:57:30,958 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 15:57:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:31,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 15:57:31,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 15:57:31,044 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 15:57:31,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 15:57:31,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 15:57:31,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [114542990] [2020-11-09 15:57:31,045 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:57:31,046 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:57:31,048 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-11-09 15:57:31,048 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:57:31,049 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:57:31,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:57:31,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:57:31,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:57:31,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:57:31,051 INFO L87 Difference]: Start difference. First operand 14919 states and 53132 transitions. Second operand 3 states. [2020-11-09 15:57:31,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:57:31,395 INFO L93 Difference]: Finished difference Result 14764 states and 52547 transitions. [2020-11-09 15:57:31,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:57:31,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-11-09 15:57:31,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:57:31,492 INFO L225 Difference]: With dead ends: 14764 [2020-11-09 15:57:31,492 INFO L226 Difference]: Without dead ends: 14764 [2020-11-09 15:57:31,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:57:32,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14764 states. [2020-11-09 15:57:32,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14764 to 14764. [2020-11-09 15:57:32,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14764 states. [2020-11-09 15:57:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14764 states to 14764 states and 52547 transitions. [2020-11-09 15:57:32,826 INFO L78 Accepts]: Start accepts. Automaton has 14764 states and 52547 transitions. Word has length 8 [2020-11-09 15:57:32,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:57:32,827 INFO L481 AbstractCegarLoop]: Abstraction has 14764 states and 52547 transitions. [2020-11-09 15:57:32,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:57:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 14764 states and 52547 transitions. [2020-11-09 15:57:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-09 15:57:32,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:32,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:57:33,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 15:57:33,036 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:33,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:33,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1099834452, now seen corresponding path program 1 times [2020-11-09 15:57:33,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:33,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880048029] [2020-11-09 15:57:33,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:33,081 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 15:57:33,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880048029] [2020-11-09 15:57:33,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439921098] [2020-11-09 15:57:33,082 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 15:57:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:33,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-09 15:57:33,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 15:57:33,191 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-09 15:57:33,192 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 15:57:33,197 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 15:57:33,197 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 15:57:33,198 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-11-09 15:57:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 15:57:33,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 15:57:33,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-09 15:57:33,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [363915107] [2020-11-09 15:57:33,210 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:57:33,211 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:57:33,213 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 25 transitions. [2020-11-09 15:57:33,214 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:57:33,223 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:57:33,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 15:57:33,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:57:33,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 15:57:33,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 15:57:33,224 INFO L87 Difference]: Start difference. First operand 14764 states and 52547 transitions. Second operand 3 states. [2020-11-09 15:57:33,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:57:33,577 INFO L93 Difference]: Finished difference Result 12873 states and 40352 transitions. [2020-11-09 15:57:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 15:57:33,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-09 15:57:33,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:57:33,616 INFO L225 Difference]: With dead ends: 12873 [2020-11-09 15:57:33,616 INFO L226 Difference]: Without dead ends: 12867 [2020-11-09 15:57:33,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 15:57:33,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12867 states. [2020-11-09 15:57:34,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12867 to 11025. [2020-11-09 15:57:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11025 states. [2020-11-09 15:57:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11025 states to 11025 states and 35262 transitions. [2020-11-09 15:57:34,239 INFO L78 Accepts]: Start accepts. Automaton has 11025 states and 35262 transitions. Word has length 13 [2020-11-09 15:57:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:57:34,239 INFO L481 AbstractCegarLoop]: Abstraction has 11025 states and 35262 transitions. [2020-11-09 15:57:34,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 15:57:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 11025 states and 35262 transitions. [2020-11-09 15:57:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 15:57:34,245 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:34,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 15:57:34,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 15:57:34,459 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:34,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:34,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1404416230, now seen corresponding path program 1 times [2020-11-09 15:57:34,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:34,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191939760] [2020-11-09 15:57:34,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:34,498 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 15:57:34,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191939760] [2020-11-09 15:57:34,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443154817] [2020-11-09 15:57:34,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 15:57:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 15:57:34,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 15:57:34,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 15:57:34,600 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 15:57:34,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 15:57:34,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-09 15:57:34,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [972448536] [2020-11-09 15:57:34,601 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 15:57:34,603 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 15:57:34,605 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 38 transitions. [2020-11-09 15:57:34,605 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 15:57:34,625 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 15:57:34,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 15:57:34,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 15:57:34,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 15:57:34,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:57:34,627 INFO L87 Difference]: Start difference. First operand 11025 states and 35262 transitions. Second operand 4 states. [2020-11-09 15:57:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 15:57:34,705 INFO L93 Difference]: Finished difference Result 11007 states and 35229 transitions. [2020-11-09 15:57:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 15:57:34,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 15:57:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 15:57:34,902 INFO L225 Difference]: With dead ends: 11007 [2020-11-09 15:57:34,902 INFO L226 Difference]: Without dead ends: 11007 [2020-11-09 15:57:34,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 15:57:35,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11007 states. [2020-11-09 15:57:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11007 to 11007. [2020-11-09 15:57:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11007 states. [2020-11-09 15:57:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11007 states to 11007 states and 35229 transitions. [2020-11-09 15:57:35,625 INFO L78 Accepts]: Start accepts. Automaton has 11007 states and 35229 transitions. Word has length 14 [2020-11-09 15:57:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 15:57:35,627 INFO L481 AbstractCegarLoop]: Abstraction has 11007 states and 35229 transitions. [2020-11-09 15:57:35,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 15:57:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 11007 states and 35229 transitions. [2020-11-09 15:57:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 15:57:35,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 15:57:35,628 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 15:57:35,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 15:57:35,837 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 15:57:35,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 15:57:35,838 INFO L82 PathProgramCache]: Analyzing trace with hash -919253608, now seen corresponding path program 1 times [2020-11-09 15:57:35,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 15:57:35,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060352506] [2020-11-09 15:57:35,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 15:57:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:57:35,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:57:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 15:57:35,869 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 15:57:35,876 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 15:57:35,876 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 15:57:35,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-09 15:57:35,877 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 15:57:35,877 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 15:57:35,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,888 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,888 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,889 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,890 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,891 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,892 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,893 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,893 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,894 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,895 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,896 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,897 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,898 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,899 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,900 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,901 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,902 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,903 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,903 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,903 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,904 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,905 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,906 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,907 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,908 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,909 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,909 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,909 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,911 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,911 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,911 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,912 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,913 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,913 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,914 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,914 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,915 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,915 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,916 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,916 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 15:57:35,920 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 15:57:35,920 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 15:57:35,921 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 15:57:35,921 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 15:57:35,921 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 15:57:35,921 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 15:57:35,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 15:57:35,921 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 15:57:35,921 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 15:57:35,922 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 15:57:35,923 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 15:57:35,924 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 197 transitions, 438 flow [2020-11-09 15:57:35,924 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 197 transitions, 438 flow [2020-11-09 15:57:35,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 172 places, 197 transitions, 438 flow [2020-11-09 15:57:36,023 INFO L129 PetriNetUnfolder]: 86/532 cut-off events. [2020-11-09 15:57:36,023 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-11-09 15:57:36,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 532 events. 86/532 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2113 event pairs, 6 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 369. Up to 32 conditions per place. [2020-11-09 15:57:36,063 INFO L116 LiptonReduction]: Number of co-enabled transitions 20272 [2020-11-09 15:57:39,454 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-09 15:57:39,722 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2020-11-09 15:57:40,344 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-09 15:57:41,160 WARN L194 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-11-09 15:57:41,408 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:41,936 WARN L194 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2020-11-09 15:57:42,192 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-11-09 15:57:42,209 INFO L131 LiptonReduction]: Checked pairs total: 54683 [2020-11-09 15:57:42,209 INFO L133 LiptonReduction]: Total number of compositions: 134 [2020-11-09 15:57:42,209 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 93 transitions, 230 flow Received shutdown request... [2020-11-09 16:01:20,416 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 16:01:20,420 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 16:01:20,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:01:20 BasicIcfg [2020-11-09 16:01:20,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 16:01:20,436 INFO L168 Benchmark]: Toolchain (without parser) took 258044.08 ms. Allocated memory was 156.2 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 130.3 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 16:01:20,437 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 156.2 MB. Free memory was 130.0 MB in the beginning and 129.9 MB in the end (delta: 83.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 16:01:20,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.05 ms. Allocated memory is still 156.2 MB. Free memory was 129.7 MB in the beginning and 132.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. [2020-11-09 16:01:20,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.24 ms. Allocated memory is still 156.2 MB. Free memory was 132.5 MB in the beginning and 130.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:01:20,442 INFO L168 Benchmark]: Boogie Preprocessor took 34.72 ms. Allocated memory is still 156.2 MB. Free memory was 130.4 MB in the beginning and 128.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 16:01:20,444 INFO L168 Benchmark]: RCFGBuilder took 755.26 ms. Allocated memory is still 156.2 MB. Free memory was 128.8 MB in the beginning and 102.1 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-11-09 16:01:20,445 INFO L168 Benchmark]: TraceAbstraction took 256391.91 ms. Allocated memory was 156.2 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 101.5 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 16:01:20,457 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 156.2 MB. Free memory was 130.0 MB in the beginning and 129.9 MB in the end (delta: 83.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 793.05 ms. Allocated memory is still 156.2 MB. Free memory was 129.7 MB in the beginning and 132.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.24 ms. Allocated memory is still 156.2 MB. Free memory was 132.5 MB in the beginning and 130.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.72 ms. Allocated memory is still 156.2 MB. Free memory was 130.4 MB in the beginning and 128.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 755.26 ms. Allocated memory is still 156.2 MB. Free memory was 128.8 MB in the beginning and 102.1 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 256391.91 ms. Allocated memory was 156.2 MB in the beginning and 4.2 GB in the end (delta: 4.1 GB). Free memory was 101.5 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1156 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 78 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.5s, 97 PlacesBefore, 28 PlacesAfterwards, 107 TransitionsBefore, 36 TransitionsAfterwards, 2240 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 2 ChoiceCompositions, 89 TotalNumberOfCompositions, 4108 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3086 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 232 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.0s, 122 PlacesBefore, 44 PlacesAfterwards, 137 TransitionsBefore, 55 TransitionsAfterwards, 6664 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 4 ChoiceCompositions, 104 TotalNumberOfCompositions, 17466 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5567 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 425 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.9s, 147 PlacesBefore, 59 PlacesAfterwards, 167 TransitionsBefore, 76 TransitionsAfterwards, 12600 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 23 ConcurrentYvCompositions, 3 ChoiceCompositions, 113 TotalNumberOfCompositions, 31282 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9773 VarBasedMoverChecksPositive, 109 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 1205 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.2s, 172 PlacesBefore, 72 PlacesAfterwards, 197 TransitionsBefore, 93 TransitionsAfterwards, 20272 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 28 ConcurrentYvCompositions, 4 ChoiceCompositions, 134 TotalNumberOfCompositions, 54683 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 72 places, 93 transitions, 230 flow. Already constructed 290537 states. Currently 19697 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 256.1s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 247.0s, HoareTripleCheckerStatistics: 277 SDtfs, 111 SDslu, 256 SDs, 0 SdLazy, 89 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28106occurred 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: 4.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1842 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 1991 SizeOfPredicates, 3 NumberOfNonLiveVariables, 427 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 3/8 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