/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf -i ../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 20:22:57,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 20:22:57,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 20:22:57,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 20:22:57,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 20:22:57,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 20:22:57,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 20:22:57,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 20:22:57,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 20:22:57,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 20:22:57,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 20:22:57,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 20:22:57,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 20:22:57,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 20:22:57,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 20:22:57,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 20:22:57,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 20:22:57,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 20:22:57,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 20:22:57,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 20:22:57,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 20:22:57,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 20:22:57,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 20:22:57,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 20:22:57,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 20:22:57,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 20:22:57,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 20:22:57,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 20:22:57,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 20:22:57,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 20:22:57,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 20:22:57,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 20:22:57,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 20:22:57,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 20:22:57,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 20:22:57,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 20:22:57,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 20:22:57,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 20:22:57,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 20:22:57,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 20:22:57,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 20:22:57,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-McrStrategy.epf [2020-04-18 20:22:58,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 20:22:58,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 20:22:58,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 20:22:58,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 20:22:58,023 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 20:22:58,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 20:22:58,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 20:22:58,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 20:22:58,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 20:22:58,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 20:22:58,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 20:22:58,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 20:22:58,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 20:22:58,027 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 20:22:58,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 20:22:58,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 20:22:58,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 20:22:58,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 20:22:58,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 20:22:58,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 20:22:58,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 20:22:58,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:22:58,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 20:22:58,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 20:22:58,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 20:22:58,030 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 20:22:58,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 20:22:58,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 20:22:58,031 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 20:22:58,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 20:22:58,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 20:22:58,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 20:22:58,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 20:22:58,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 20:22:58,367 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 20:22:58,368 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 20:22:58,369 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2020-04-18 20:22:58,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36212b6c/1871bf5e2a64404eb9a90b0996524583/FLAGfd74b2e71 [2020-04-18 20:22:58,855 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 20:22:58,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2020-04-18 20:22:58,856 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 20:22:58,856 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-04-18 20:22:58,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36212b6c/1871bf5e2a64404eb9a90b0996524583/FLAGfd74b2e71 [2020-04-18 20:22:59,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d36212b6c/1871bf5e2a64404eb9a90b0996524583 [2020-04-18 20:22:59,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 20:22:59,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 20:22:59,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 20:22:59,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 20:22:59,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 20:22:59,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589408d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59, skipping insertion in model container [2020-04-18 20:22:59,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 20:22:59,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 20:22:59,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:22:59,605 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 20:22:59,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:22:59,632 INFO L208 MainTranslator]: Completed translation [2020-04-18 20:22:59,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59 WrapperNode [2020-04-18 20:22:59,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 20:22:59,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 20:22:59,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 20:22:59,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 20:22:59,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 20:22:59,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 20:22:59,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 20:22:59,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 20:22:59,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (1/1) ... [2020-04-18 20:22:59,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 20:22:59,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 20:22:59,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 20:22:59,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 20:22:59,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (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 [2020-04-18 20:22:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 20:22:59,760 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-04-18 20:22:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-04-18 20:22:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 20:22:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 20:22:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 20:22:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 20:22:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 20:22:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 20:22:59,763 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 20:23:00,042 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 20:23:00,042 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-04-18 20:23:00,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:00 BoogieIcfgContainer [2020-04-18 20:23:00,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 20:23:00,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 20:23:00,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 20:23:00,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 20:23:00,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:22:59" (1/3) ... [2020-04-18 20:23:00,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386d927f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:23:00, skipping insertion in model container [2020-04-18 20:23:00,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:22:59" (2/3) ... [2020-04-18 20:23:00,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386d927f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:23:00, skipping insertion in model container [2020-04-18 20:23:00,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:23:00" (3/3) ... [2020-04-18 20:23:00,057 INFO L109 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2020-04-18 20:23:00,075 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 20:23:00,075 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 20:23:00,083 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 20:23:00,085 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 20:23:00,119 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,119 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,119 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,119 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,120 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,120 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,120 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,120 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,121 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,121 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,121 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,121 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,122 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,122 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,122 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,123 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,123 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,123 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,123 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,124 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,124 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,124 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,125 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,126 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,126 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,126 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,126 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,127 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,127 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,127 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,129 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,129 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,129 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,130 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,130 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,130 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,130 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,131 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,131 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,141 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,142 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,142 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,142 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,142 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,143 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,147 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,147 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,147 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,147 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,148 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,148 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,148 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,155 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,155 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,155 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,156 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,156 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,156 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,156 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,167 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,167 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,168 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,168 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,168 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,168 WARN L315 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,169 WARN L315 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:23:00,198 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 20:23:00,214 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 20:23:00,215 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 20:23:00,215 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 20:23:00,215 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 20:23:00,215 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 20:23:00,216 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 20:23:00,216 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 20:23:00,216 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 20:23:00,231 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 81 places, 77 transitions, 196 flow [2020-04-18 20:23:00,413 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3297 states. [2020-04-18 20:23:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3297 states. [2020-04-18 20:23:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-04-18 20:23:00,450 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:23:00,451 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:23:00,452 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2020-04-18 20:23:00,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:23:00,459 INFO L82 PathProgramCache]: Analyzing trace with hash 716411512, now seen corresponding path program 1 times [2020-04-18 20:23:00,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:23:00,467 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [381940797] [2020-04-18 20:23:00,489 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:23:00,723 INFO L259 McrAutomatonBuilder]: Finished intersection with 2744 states and 8759 transitions. [2020-04-18 20:23:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states. [2020-04-18 20:23:00,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-04-18 20:23:00,767 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:23:00,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:23:00,768 INFO L82 PathProgramCache]: Analyzing trace with hash 716411512, now seen corresponding path program 2 times [2020-04-18 20:23:00,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:23:00,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507766408] [2020-04-18 20:23:00,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:23:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:23:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 20:23:02,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507766408] [2020-04-18 20:23:02,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:23:02,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-04-18 20:23:02,036 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:23:02,049 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:23:02,367 INFO L259 McrAutomatonBuilder]: Finished intersection with 506 states and 1318 transitions. [2020-04-18 20:23:02,368 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:23:17,797 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 193 times. [2020-04-18 20:23:17,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2020-04-18 20:23:17,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=15178, Unknown=0, NotChecked=0, Total=15500 [2020-04-18 20:23:17,811 INFO L87 Difference]: Start difference. First operand 2744 states. Second operand 125 states. [2020-04-18 20:23:22,686 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-04-18 20:23:23,671 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2020-04-18 20:23:24,599 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-04-18 20:23:25,551 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2020-04-18 20:23:26,168 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 55 [2020-04-18 20:23:27,125 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-04-18 20:23:29,834 WARN L192 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 78 [2020-04-18 20:23:31,113 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-04-18 20:23:32,367 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-04-18 20:23:33,518 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2020-04-18 20:23:35,006 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-04-18 20:23:36,133 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2020-04-18 20:23:36,913 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2020-04-18 20:23:37,487 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-04-18 20:23:38,981 WARN L192 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 90 [2020-04-18 20:23:40,704 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2020-04-18 20:23:41,249 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 55 [2020-04-18 20:23:42,136 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 89 [2020-04-18 20:23:43,268 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 74 [2020-04-18 20:23:45,796 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 59 [2020-04-18 20:23:46,479 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2020-04-18 20:23:47,357 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-04-18 20:23:49,868 WARN L192 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-04-18 20:23:51,697 WARN L192 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2020-04-18 20:23:52,448 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-04-18 20:23:53,842 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 95 [2020-04-18 20:23:54,506 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2020-04-18 20:23:56,196 WARN L192 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 98 [2020-04-18 20:23:57,961 WARN L192 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 94 [2020-04-18 20:23:58,843 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 79 [2020-04-18 20:23:59,757 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 79 [2020-04-18 20:24:00,418 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 69 [2020-04-18 20:24:01,299 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 70 [2020-04-18 20:24:02,853 WARN L192 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 96 [2020-04-18 20:24:06,124 WARN L192 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-04-18 20:24:07,037 WARN L192 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2020-04-18 20:24:10,101 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 74 [2020-04-18 20:24:10,922 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 86 [2020-04-18 20:24:11,297 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 58 [2020-04-18 20:24:13,365 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 80 [2020-04-18 20:24:14,128 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 57 [2020-04-18 20:24:15,036 WARN L192 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 92 [2020-04-18 20:24:15,670 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 64 [2020-04-18 20:24:18,470 WARN L192 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 112 [2020-04-18 20:24:19,799 WARN L192 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 105 [2020-04-18 20:24:21,133 WARN L192 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 96 [2020-04-18 20:24:24,110 WARN L192 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 111 [2020-04-18 20:24:25,290 WARN L192 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 103 [2020-04-18 20:24:26,430 WARN L192 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 104 [2020-04-18 20:24:27,518 WARN L192 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 87 [2020-04-18 20:24:28,541 WARN L192 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 97 [2020-04-18 20:24:30,569 WARN L192 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 111 [2020-04-18 20:24:31,417 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 87 [2020-04-18 20:24:35,883 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2020-04-18 20:24:39,479 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 79 [2020-04-18 20:24:40,137 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-04-18 20:24:41,627 WARN L192 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 79 [2020-04-18 20:24:42,647 WARN L192 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 97 [2020-04-18 20:24:43,871 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 91 [2020-04-18 20:24:44,903 WARN L192 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 106 [2020-04-18 20:24:45,857 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2020-04-18 20:24:47,585 WARN L192 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 85 [2020-04-18 20:24:48,357 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 37 [2020-04-18 20:24:48,776 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 39 [2020-04-18 20:24:50,009 WARN L192 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 85 [2020-04-18 20:24:51,103 WARN L192 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 103 [2020-04-18 20:24:51,722 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2020-04-18 20:24:52,237 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2020-04-18 20:24:52,788 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2020-04-18 20:24:53,565 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2020-04-18 20:24:55,209 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 97 [2020-04-18 20:24:56,325 WARN L192 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 106 [2020-04-18 20:24:57,540 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 71 [2020-04-18 20:25:00,893 WARN L192 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 130 [2020-04-18 20:25:02,451 WARN L192 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 135 [2020-04-18 20:25:07,198 WARN L192 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 122 [2020-04-18 20:25:08,667 WARN L192 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 133 [2020-04-18 20:25:11,000 WARN L192 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 114 [2020-04-18 20:25:12,328 WARN L192 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 123 [2020-04-18 20:25:13,815 WARN L192 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 105 [2020-04-18 20:25:17,164 WARN L192 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 128 [2020-04-18 20:25:18,605 WARN L192 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 130 [2020-04-18 20:25:25,696 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 35 [2020-04-18 20:25:26,863 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 82 [2020-04-18 20:25:27,396 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 72 [2020-04-18 20:25:28,431 WARN L192 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 102 [2020-04-18 20:25:29,237 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 33 [2020-04-18 20:25:29,883 WARN L192 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 34 [2020-04-18 20:25:30,674 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 40 [2020-04-18 20:25:31,870 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 83 [2020-04-18 20:25:33,000 WARN L192 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 104 [2020-04-18 20:25:34,405 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 66 [2020-04-18 20:25:34,990 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 85 [2020-04-18 20:25:36,496 WARN L192 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 96 [2020-04-18 20:25:37,645 WARN L192 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 113 [2020-04-18 20:25:39,815 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 43 [2020-04-18 20:25:40,218 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2020-04-18 20:25:41,131 WARN L192 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 90 [2020-04-18 20:25:41,703 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 78 [2020-04-18 20:25:42,779 WARN L192 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 108 [2020-04-18 20:25:43,692 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 41 [2020-04-18 20:25:44,435 WARN L192 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 42 [2020-04-18 20:25:45,299 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 48 [2020-04-18 20:25:46,584 WARN L192 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 89 [2020-04-18 20:25:47,852 WARN L192 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 110 [2020-04-18 20:25:49,232 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 64 [2020-04-18 20:25:49,787 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2020-04-18 20:25:50,416 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 70 [2020-04-18 20:25:51,138 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2020-04-18 20:25:51,943 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 59 [2020-04-18 20:25:52,600 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 55 [2020-04-18 20:25:53,111 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2020-04-18 20:25:54,452 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 65 [2020-04-18 20:25:55,691 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 72 [2020-04-18 20:25:56,360 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 91 [2020-04-18 20:25:57,959 WARN L192 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 102 [2020-04-18 20:25:59,232 WARN L192 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 113 [2020-04-18 20:26:03,568 WARN L192 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 315 DAG size of output: 153 [2020-04-18 20:26:09,356 WARN L192 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 279 DAG size of output: 145 [2020-04-18 20:26:12,617 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 268 DAG size of output: 135 [2020-04-18 20:26:17,686 WARN L192 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 296 DAG size of output: 149 [2020-04-18 20:26:19,412 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 33 [2020-04-18 20:26:21,522 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2020-04-18 20:26:23,383 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2020-04-18 20:26:24,342 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-04-18 20:26:24,864 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-04-18 20:26:26,013 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-04-18 20:26:26,935 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 39 [2020-04-18 20:26:27,599 WARN L192 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 40 [2020-04-18 20:26:28,281 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 46 [2020-04-18 20:26:28,910 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 77 [2020-04-18 20:26:29,780 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 88 [2020-04-18 20:26:30,941 WARN L192 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 109 [2020-04-18 20:26:32,114 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 94 [2020-04-18 20:26:33,746 WARN L192 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 38 [2020-04-18 20:26:34,385 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 42 [2020-04-18 20:26:35,541 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 44 [2020-04-18 20:26:36,420 WARN L192 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 86 [2020-04-18 20:26:37,990 WARN L192 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 122 [2020-04-18 20:26:39,089 WARN L192 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 92 [2020-04-18 20:26:40,470 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2020-04-18 20:26:41,148 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 71 [2020-04-18 20:26:42,242 WARN L192 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 88 [2020-04-18 20:26:43,006 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 90 [2020-04-18 20:26:44,265 WARN L192 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2020-04-18 20:26:46,412 WARN L192 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 108 [2020-04-18 20:26:47,588 WARN L192 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 105 [2020-04-18 20:26:48,991 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2020-04-18 20:26:50,337 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 47 [2020-04-18 20:26:51,055 WARN L192 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 48 [2020-04-18 20:26:51,815 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 54 [2020-04-18 20:26:52,495 WARN L192 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 83 [2020-04-18 20:26:53,424 WARN L192 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 94 [2020-04-18 20:26:54,652 WARN L192 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 115 [2020-04-18 20:26:55,863 WARN L192 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 100 [2020-04-18 20:26:57,611 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 46 [2020-04-18 20:26:58,365 WARN L192 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 50 [2020-04-18 20:26:59,668 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 52 [2020-04-18 20:27:00,658 WARN L192 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 92 [2020-04-18 20:27:02,251 WARN L192 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 115 [2020-04-18 20:27:03,441 WARN L192 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 100 [2020-04-18 20:27:04,858 WARN L192 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2020-04-18 20:27:05,549 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2020-04-18 20:27:06,140 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2020-04-18 20:27:06,803 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-04-18 20:27:07,702 WARN L192 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 73 [2020-04-18 20:27:08,488 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 74 [2020-04-18 20:27:09,777 WARN L192 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 77 [2020-04-18 20:27:10,486 WARN L192 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 75 [2020-04-18 20:27:11,154 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 79 [2020-04-18 20:27:12,110 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-04-18 20:27:12,799 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 63 [2020-04-18 20:27:13,390 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 72 [2020-04-18 20:27:14,444 WARN L192 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 60 [2020-04-18 20:27:15,251 WARN L192 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 66 [2020-04-18 20:27:16,178 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 69 [2020-04-18 20:27:16,802 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-04-18 20:27:18,471 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 77 [2020-04-18 20:27:19,646 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 94 [2020-04-18 20:27:20,517 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 96 [2020-04-18 20:27:21,772 WARN L192 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 98 [2020-04-18 20:27:24,045 WARN L192 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 118 [2020-04-18 20:27:25,325 WARN L192 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 111 Received shutdown request... [2020-04-18 20:27:31,425 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.isCorrect(StrategyModuleMcr.java:64) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1067) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.Mcr.exploreInterleavings(Mcr.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.Mcr.(Mcr.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:126) ... 23 more [2020-04-18 20:27:31,429 INFO L168 Benchmark]: Toolchain (without parser) took 272162.73 ms. Allocated memory was 147.3 MB in the beginning and 491.8 MB in the end (delta: 344.5 MB). Free memory was 103.0 MB in the beginning and 308.7 MB in the end (delta: -205.7 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. [2020-04-18 20:27:31,430 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-04-18 20:27:31,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.79 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 181.7 MB in the end (delta: -80.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-04-18 20:27:31,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 179.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-04-18 20:27:31,431 INFO L168 Benchmark]: Boogie Preprocessor took 23.30 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 179.1 MB in the end (delta: 640.2 kB). Peak memory consumption was 640.2 kB. Max. memory is 7.1 GB. [2020-04-18 20:27:31,432 INFO L168 Benchmark]: RCFGBuilder took 354.63 ms. Allocated memory is still 204.5 MB. Free memory was 178.5 MB in the beginning and 161.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2020-04-18 20:27:31,433 INFO L168 Benchmark]: TraceAbstraction took 271379.09 ms. Allocated memory was 204.5 MB in the beginning and 491.8 MB in the end (delta: 287.3 MB). Free memory was 161.0 MB in the beginning and 308.7 MB in the end (delta: -147.7 MB). Peak memory consumption was 139.6 MB. Max. memory is 7.1 GB. [2020-04-18 20:27:31,436 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 344.79 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.1 MB in the beginning and 181.7 MB in the end (delta: -80.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.68 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 179.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.30 ms. Allocated memory is still 204.5 MB. Free memory was 179.8 MB in the beginning and 179.1 MB in the end (delta: 640.2 kB). Peak memory consumption was 640.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 354.63 ms. Allocated memory is still 204.5 MB. Free memory was 178.5 MB in the beginning and 161.0 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 271379.09 ms. Allocated memory was 204.5 MB in the beginning and 491.8 MB in the end (delta: 287.3 MB). Free memory was 161.0 MB in the beginning and 308.7 MB in the end (delta: -147.7 MB). Peak memory consumption was 139.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: RuntimeException: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user.: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyModuleMcr.getOrConstruct(StrategyModuleMcr.java:128) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown