/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/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 16:25:31,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 16:25:31,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 16:25:31,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 16:25:31,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 16:25:31,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 16:25:31,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 16:25:32,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 16:25:32,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 16:25:32,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 16:25:32,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 16:25:32,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 16:25:32,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 16:25:32,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 16:25:32,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 16:25:32,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 16:25:32,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 16:25:32,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 16:25:32,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 16:25:32,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 16:25:32,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 16:25:32,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 16:25:32,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 16:25:32,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 16:25:32,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 16:25:32,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 16:25:32,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 16:25:32,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 16:25:32,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 16:25:32,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 16:25:32,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 16:25:32,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 16:25:32,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 16:25:32,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 16:25:32,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 16:25:32,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 16:25:32,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 16:25:32,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 16:25:32,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 16:25:32,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 16:25:32,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 16:25:32,065 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 16:25:32,087 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 16:25:32,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 16:25:32,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 16:25:32,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 16:25:32,089 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 16:25:32,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 16:25:32,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 16:25:32,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 16:25:32,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 16:25:32,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 16:25:32,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 16:25:32,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 16:25:32,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 16:25:32,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 16:25:32,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 16:25:32,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 16:25:32,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 16:25:32,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 16:25:32,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 16:25:32,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 16:25:32,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 16:25:32,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 16:25:32,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 16:25:32,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 16:25:32,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 16:25:32,094 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 16:25:32,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 16:25:32,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 16:25:32,094 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 16:25:32,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 16:25:32,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 16:25:32,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 16:25:32,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 16:25:32,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 16:25:32,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 16:25:32,392 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 16:25:32,393 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-04-18 16:25:32,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458ae210f/23e9077d9ad94f9880c9eb3504514453/FLAG9eb86cf2b [2020-04-18 16:25:32,988 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 16:25:32,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-04-18 16:25:33,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458ae210f/23e9077d9ad94f9880c9eb3504514453/FLAG9eb86cf2b [2020-04-18 16:25:33,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/458ae210f/23e9077d9ad94f9880c9eb3504514453 [2020-04-18 16:25:33,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 16:25:33,318 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 16:25:33,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 16:25:33,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 16:25:33,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 16:25:33,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:25:33" (1/1) ... [2020-04-18 16:25:33,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3b9485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:33, skipping insertion in model container [2020-04-18 16:25:33,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:25:33" (1/1) ... [2020-04-18 16:25:33,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 16:25:33,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 16:25:33,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:25:33,930 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 16:25:33,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 16:25:34,069 INFO L208 MainTranslator]: Completed translation [2020-04-18 16:25:34,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34 WrapperNode [2020-04-18 16:25:34,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 16:25:34,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 16:25:34,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 16:25:34,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 16:25:34,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 16:25:34,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 16:25:34,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 16:25:34,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 16:25:34,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (1/1) ... [2020-04-18 16:25:34,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 16:25:34,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 16:25:34,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 16:25:34,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 16:25:34,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (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 16:25:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 16:25:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-04-18 16:25:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-04-18 16:25:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 16:25:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 16:25:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 16:25:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 16:25:34,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 16:25:34,234 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 16:25:34,873 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 16:25:34,874 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-04-18 16:25:34,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:25:34 BoogieIcfgContainer [2020-04-18 16:25:34,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 16:25:34,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 16:25:34,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 16:25:34,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 16:25:34,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:25:33" (1/3) ... [2020-04-18 16:25:34,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b95d373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:25:34, skipping insertion in model container [2020-04-18 16:25:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:25:34" (2/3) ... [2020-04-18 16:25:34,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b95d373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:25:34, skipping insertion in model container [2020-04-18 16:25:34,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:25:34" (3/3) ... [2020-04-18 16:25:34,887 INFO L109 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs.i [2020-04-18 16:25:34,899 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 16:25:34,899 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 16:25:34,907 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-04-18 16:25:34,908 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 16:25:34,934 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,934 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,934 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,935 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,935 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,935 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,935 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,936 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,936 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,936 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,936 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,937 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,937 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,938 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,939 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,940 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,943 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,944 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,945 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,951 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,951 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,951 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,952 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,952 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,952 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,952 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,953 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,953 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,953 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,954 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,955 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,955 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:34,972 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-04-18 16:25:34,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:25:34,990 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:25:34,990 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:25:34,990 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:25:34,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:25:34,991 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:25:34,991 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:25:34,991 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:25:35,005 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 72 transitions, 149 flow [2020-04-18 16:25:35,054 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 784 states. [2020-04-18 16:25:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states. [2020-04-18 16:25:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:25:35,070 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:25:35,072 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] [2020-04-18 16:25:35,072 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:25:35,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:35,079 INFO L82 PathProgramCache]: Analyzing trace with hash 443354929, now seen corresponding path program 1 times [2020-04-18 16:25:35,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:25:35,089 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [485425019] [2020-04-18 16:25:35,106 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:35,114 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-04-18 16:25:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-04-18 16:25:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:25:35,119 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:25:35,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:35,120 INFO L82 PathProgramCache]: Analyzing trace with hash 443354929, now seen corresponding path program 2 times [2020-04-18 16:25:35,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:25:35,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609567397] [2020-04-18 16:25:35,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:25:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:25:35,319 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 16:25:35,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609567397] [2020-04-18 16:25:35,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:25:35,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 16:25:35,323 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:25:35,324 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:35,333 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-04-18 16:25:35,333 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:25:35,338 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:25:35,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:25:35,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:25:35,346 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-04-18 16:25:35,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:25:35,351 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-04-18 16:25:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-04-18 16:25:35,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:25:35,353 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [485425019] [2020-04-18 16:25:35,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:25:35,354 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 16:25:35,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [485425019] [2020-04-18 16:25:35,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 16:25:35,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:25:35,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:25:35,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:25:35,361 INFO L87 Difference]: Start difference. First operand 784 states. Second operand 2 states. [2020-04-18 16:25:35,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:25:35,408 INFO L93 Difference]: Finished difference Result 784 states and 1525 transitions. [2020-04-18 16:25:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 16:25:35,410 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2020-04-18 16:25:35,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:25:35,441 INFO L225 Difference]: With dead ends: 784 [2020-04-18 16:25:35,442 INFO L226 Difference]: Without dead ends: 634 [2020-04-18 16:25:35,444 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:25:35,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-04-18 16:25:35,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-04-18 16:25:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-04-18 16:25:35,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1240 transitions. [2020-04-18 16:25:35,537 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1240 transitions. Word has length 20 [2020-04-18 16:25:35,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:25:35,537 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 1240 transitions. [2020-04-18 16:25:35,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 16:25:35,537 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1240 transitions. [2020-04-18 16:25:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:25:35,539 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:25:35,539 INFO L425 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:25:35,539 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:25:35,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:35,540 INFO L82 PathProgramCache]: Analyzing trace with hash -494671953, now seen corresponding path program 1 times [2020-04-18 16:25:35,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:25:35,541 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1434484349] [2020-04-18 16:25:35,541 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:35,542 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-04-18 16:25:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-04-18 16:25:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:25:35,543 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:25:35,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:35,544 INFO L82 PathProgramCache]: Analyzing trace with hash -494671953, now seen corresponding path program 2 times [2020-04-18 16:25:35,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:25:35,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919726922] [2020-04-18 16:25:35,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:25:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:25:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:25:35,630 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:25:35,630 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:25:35,630 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:25:35,631 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:25:35,632 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-04-18 16:25:35,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,644 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,644 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,645 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,645 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,646 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,646 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,647 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,648 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,649 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,650 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,651 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,652 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,652 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,652 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,653 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,653 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,653 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,654 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,654 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,655 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,655 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,655 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,656 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,657 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,658 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,659 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,663 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,663 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,664 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,664 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,664 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,665 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,665 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,665 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,666 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,677 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,677 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,678 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,678 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,678 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,678 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,678 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,679 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,679 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,679 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,679 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,679 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,679 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,680 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:35,682 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 16:25:35,683 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:25:35,683 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:25:35,683 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:25:35,684 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:25:35,684 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:25:35,685 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:25:35,687 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:25:35,687 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:25:35,695 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 95 transitions, 202 flow [2020-04-18 16:25:36,777 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 15564 states. [2020-04-18 16:25:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 15564 states. [2020-04-18 16:25:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:25:36,779 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:25:36,779 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] [2020-04-18 16:25:36,780 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:25:36,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:36,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1112632817, now seen corresponding path program 1 times [2020-04-18 16:25:36,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:25:36,781 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1307939448] [2020-04-18 16:25:36,781 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:36,782 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-04-18 16:25:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-04-18 16:25:36,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:25:36,783 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:25:36,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:36,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1112632817, now seen corresponding path program 2 times [2020-04-18 16:25:36,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:25:36,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599179822] [2020-04-18 16:25:36,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:25:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:25:36,815 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 16:25:36,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599179822] [2020-04-18 16:25:36,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:25:36,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 16:25:36,816 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:25:36,817 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:36,819 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-04-18 16:25:36,819 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:25:36,820 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:25:36,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:25:36,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:25:36,821 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-04-18 16:25:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:25:36,821 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-04-18 16:25:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-04-18 16:25:36,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:25:36,822 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1307939448] [2020-04-18 16:25:36,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:25:36,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 16:25:36,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1307939448] [2020-04-18 16:25:36,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 16:25:36,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:25:36,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:25:36,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:25:36,824 INFO L87 Difference]: Start difference. First operand 15564 states. Second operand 2 states. [2020-04-18 16:25:37,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:25:37,056 INFO L93 Difference]: Finished difference Result 15564 states and 45905 transitions. [2020-04-18 16:25:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 16:25:37,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2020-04-18 16:25:37,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:25:37,199 INFO L225 Difference]: With dead ends: 15564 [2020-04-18 16:25:37,200 INFO L226 Difference]: Without dead ends: 14199 [2020-04-18 16:25:37,202 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:25:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14199 states. [2020-04-18 16:25:37,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14199 to 14199. [2020-04-18 16:25:37,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14199 states. [2020-04-18 16:25:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14199 states to 14199 states and 41975 transitions. [2020-04-18 16:25:38,042 INFO L78 Accepts]: Start accepts. Automaton has 14199 states and 41975 transitions. Word has length 20 [2020-04-18 16:25:38,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:25:38,043 INFO L479 AbstractCegarLoop]: Abstraction has 14199 states and 41975 transitions. [2020-04-18 16:25:38,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 16:25:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 14199 states and 41975 transitions. [2020-04-18 16:25:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-04-18 16:25:38,045 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:25:38,046 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] [2020-04-18 16:25:38,046 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:25:38,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:38,046 INFO L82 PathProgramCache]: Analyzing trace with hash -932328704, now seen corresponding path program 1 times [2020-04-18 16:25:38,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:25:38,047 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [566465155] [2020-04-18 16:25:38,048 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:38,048 INFO L259 McrAutomatonBuilder]: Finished intersection with 24 states and 23 transitions. [2020-04-18 16:25:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-04-18 16:25:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-04-18 16:25:38,050 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:25:38,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:38,050 INFO L82 PathProgramCache]: Analyzing trace with hash -932328704, now seen corresponding path program 2 times [2020-04-18 16:25:38,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:25:38,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315851739] [2020-04-18 16:25:38,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:25:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:25:38,175 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 16:25:38,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315851739] [2020-04-18 16:25:38,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:25:38,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 16:25:38,177 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:25:38,182 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:38,184 INFO L259 McrAutomatonBuilder]: Finished intersection with 24 states and 23 transitions. [2020-04-18 16:25:38,185 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:25:38,199 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:25:38,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:25:38,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:25:38,200 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2020-04-18 16:25:38,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:25:38,205 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-04-18 16:25:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2020-04-18 16:25:38,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:25:38,206 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [566465155] [2020-04-18 16:25:38,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:25:38,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 16:25:38,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [566465155] [2020-04-18 16:25:38,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 16:25:38,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:25:38,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 16:25:38,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:25:38,209 INFO L87 Difference]: Start difference. First operand 14199 states and 41975 transitions. Second operand 3 states. [2020-04-18 16:25:38,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:25:38,593 INFO L93 Difference]: Finished difference Result 14873 states and 43256 transitions. [2020-04-18 16:25:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 16:25:38,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-04-18 16:25:38,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:25:38,659 INFO L225 Difference]: With dead ends: 14873 [2020-04-18 16:25:38,659 INFO L226 Difference]: Without dead ends: 11782 [2020-04-18 16:25:38,676 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 16:25:38,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11782 states. [2020-04-18 16:25:39,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11782 to 11006. [2020-04-18 16:25:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11006 states. [2020-04-18 16:25:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11006 states to 11006 states and 31982 transitions. [2020-04-18 16:25:39,942 INFO L78 Accepts]: Start accepts. Automaton has 11006 states and 31982 transitions. Word has length 23 [2020-04-18 16:25:39,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 16:25:39,943 INFO L479 AbstractCegarLoop]: Abstraction has 11006 states and 31982 transitions. [2020-04-18 16:25:39,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 16:25:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 11006 states and 31982 transitions. [2020-04-18 16:25:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-04-18 16:25:39,946 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:25:39,947 INFO L425 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 16:25:39,947 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:25:39,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:39,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1377840063, now seen corresponding path program 1 times [2020-04-18 16:25:39,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:25:39,948 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2008914050] [2020-04-18 16:25:39,948 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:25:39,949 INFO L259 McrAutomatonBuilder]: Finished intersection with 27 states and 26 transitions. [2020-04-18 16:25:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-04-18 16:25:39,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-04-18 16:25:39,950 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:25:39,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:25:39,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1377840063, now seen corresponding path program 2 times [2020-04-18 16:25:39,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:25:39,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799844080] [2020-04-18 16:25:39,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:25:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:25:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 16:25:39,985 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 16:25:39,985 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 16:25:39,985 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 16:25:39,985 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-04-18 16:25:39,987 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-04-18 16:25:39,997 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,998 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,998 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,999 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:39,999 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,000 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,000 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,001 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,003 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,003 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,003 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,003 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,004 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,004 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,005 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,005 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,006 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,007 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,008 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,010 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,010 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,014 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,014 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,014 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,015 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,015 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,017 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,018 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,018 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,018 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,019 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,019 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,019 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,019 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,019 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,020 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,021 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,022 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,022 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,022 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,022 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,022 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,023 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,023 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,023 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,024 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,024 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 16:25:40,026 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-04-18 16:25:40,026 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 16:25:40,026 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 16:25:40,026 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 16:25:40,026 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 16:25:40,026 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 16:25:40,027 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 16:25:40,027 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 16:25:40,027 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 16:25:40,030 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 112 places, 118 transitions, 257 flow [2020-04-18 16:28:49,755 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 311164 states. [2020-04-18 16:28:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 311164 states. [2020-04-18 16:28:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:28:49,756 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 16:28:49,756 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] [2020-04-18 16:28:49,756 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 16:28:49,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:28:49,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1084952945, now seen corresponding path program 1 times [2020-04-18 16:28:49,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 16:28:49,757 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [22851675] [2020-04-18 16:28:49,758 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:28:49,758 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-04-18 16:28:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-04-18 16:28:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 16:28:49,759 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 16:28:49,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 16:28:49,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1084952945, now seen corresponding path program 2 times [2020-04-18 16:28:49,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 16:28:49,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882153943] [2020-04-18 16:28:49,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 16:28:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 16:28:49,787 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 16:28:49,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882153943] [2020-04-18 16:28:49,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 16:28:49,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 16:28:49,788 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 16:28:49,789 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 16:28:49,789 INFO L259 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2020-04-18 16:28:49,790 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 16:28:49,790 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 16:28:49,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:28:49,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:28:49,791 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-04-18 16:28:49,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:28:49,792 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2020-04-18 16:28:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2020-04-18 16:28:49,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 16:28:49,793 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [22851675] [2020-04-18 16:28:49,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 16:28:49,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 16:28:49,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [22851675] [2020-04-18 16:28:49,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 16:28:49,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 16:28:49,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 16:28:49,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:28:49,794 INFO L87 Difference]: Start difference. First operand 311164 states. Second operand 2 states. [2020-04-18 16:28:51,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 16:28:51,403 INFO L93 Difference]: Finished difference Result 311164 states and 1229105 transitions. [2020-04-18 16:28:51,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 16:28:51,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2020-04-18 16:28:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 16:29:01,231 INFO L225 Difference]: With dead ends: 311164 [2020-04-18 16:29:01,231 INFO L226 Difference]: Without dead ends: 298864 [2020-04-18 16:29:01,231 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 16:29:25,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298864 states. [2020-04-18 16:29:31,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298864 to 298864. [2020-04-18 16:29:31,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298864 states. Received shutdown request... [2020-04-18 16:29:44,701 WARN L544 AbstractCegarLoop]: Verification canceled [2020-04-18 16:29:44,707 WARN L228 ceAbstractionStarter]: Timeout [2020-04-18 16:29:44,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:29:44 BasicIcfg [2020-04-18 16:29:44,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 16:29:44,710 INFO L168 Benchmark]: Toolchain (without parser) took 251412.96 ms. Allocated memory was 142.1 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 101.8 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.4 GB. Max. memory is 7.1 GB. [2020-04-18 16:29:44,715 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-04-18 16:29:44,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.48 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 99.7 MB in the beginning and 165.1 MB in the end (delta: -65.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-04-18 16:29:44,717 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.17 ms. Allocated memory is still 205.0 MB. Free memory was 165.1 MB in the beginning and 163.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 16:29:44,717 INFO L168 Benchmark]: Boogie Preprocessor took 34.33 ms. Allocated memory is still 205.0 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-18 16:29:44,718 INFO L168 Benchmark]: RCFGBuilder took 716.14 ms. Allocated memory is still 205.0 MB. Free memory was 161.1 MB in the beginning and 117.3 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2020-04-18 16:29:44,719 INFO L168 Benchmark]: TraceAbstraction took 249827.59 ms. Allocated memory was 205.0 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 117.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2020-04-18 16:29:44,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.48 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 99.7 MB in the beginning and 165.1 MB in the end (delta: -65.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.17 ms. Allocated memory is still 205.0 MB. Free memory was 165.1 MB in the beginning and 163.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.33 ms. Allocated memory is still 205.0 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 716.14 ms. Allocated memory is still 205.0 MB. Free memory was 161.1 MB in the beginning and 117.3 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 249827.59 ms. Allocated memory was 205.0 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 117.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while ReachableStatesComputation was computing reachable states (231900 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while ReachableStatesComputation was computing reachable states (231900 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 2 error locations. Started 3 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 249.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 190.8s, HoareTripleCheckerStatistics: 418 SDtfs, 69 SDslu, 75 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311164occurred 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: 45.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 776 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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