/usr/bin/java -Xmx16000000000 -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/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:14:07,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:14:07,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:14:07,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:14:07,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:14:07,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:14:07,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:14:07,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:14:07,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:14:07,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:14:08,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:14:08,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:14:08,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:14:08,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:14:08,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:14:08,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:14:08,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:14:08,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:14:08,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:14:08,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:14:08,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:14:08,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:14:08,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:14:08,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:14:08,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:14:08,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:14:08,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:14:08,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:14:08,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:14:08,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:14:08,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:14:08,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:14:08,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:14:08,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:14:08,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:14:08,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:14:08,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:14:08,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:14:08,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:14:08,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:14:08,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:14:08,057 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:14:08,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:14:08,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:14:08,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:14:08,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:14:08,084 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:14:08,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:14:08,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:14:08,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:14:08,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:14:08,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:14:08,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:14:08,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:14:08,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:14:08,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:14:08,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:14:08,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:14:08,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:14:08,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:14:08,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:14:08,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:14:08,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:14:08,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:14:08,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:14:08,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:14:08,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:14:08,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:14:08,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:14:08,088 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:14:08,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:14:08,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:14:08,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:14:08,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:14:08,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:14:08,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:14:08,399 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:14:08,400 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2020-10-11 18:14:08,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d75cb80/056bc5ea2aed4ba2a00778d5ea2b0f27/FLAG855325efb [2020-10-11 18:14:09,005 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:14:09,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix022_pso.opt.i [2020-10-11 18:14:09,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d75cb80/056bc5ea2aed4ba2a00778d5ea2b0f27/FLAG855325efb [2020-10-11 18:14:09,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d75cb80/056bc5ea2aed4ba2a00778d5ea2b0f27 [2020-10-11 18:14:09,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:14:09,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:14:09,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:14:09,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:14:09,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:14:09,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:14:09" (1/1) ... [2020-10-11 18:14:09,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a455e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:09, skipping insertion in model container [2020-10-11 18:14:09,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:14:09" (1/1) ... [2020-10-11 18:14:09,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:14:09,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:14:09,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:14:09,917 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:14:09,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:14:10,061 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:14:10,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10 WrapperNode [2020-10-11 18:14:10,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:14:10,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:14:10,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:14:10,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:14:10,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:14:10,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:14:10,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:14:10,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:14:10,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (1/1) ... [2020-10-11 18:14:10,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:14:10,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:14:10,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:14:10,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:14:10,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (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 [2020-10-11 18:14:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:14:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:14:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:14:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:14:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:14:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:14:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:14:10,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:14:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:14:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:14:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:14:10,275 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:14:12,234 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:14:12,234 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 18:14:12,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:14:12 BoogieIcfgContainer [2020-10-11 18:14:12,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:14:12,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:14:12,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:14:12,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:14:12,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:14:09" (1/3) ... [2020-10-11 18:14:12,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d42243f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:14:12, skipping insertion in model container [2020-10-11 18:14:12,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:14:10" (2/3) ... [2020-10-11 18:14:12,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d42243f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:14:12, skipping insertion in model container [2020-10-11 18:14:12,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:14:12" (3/3) ... [2020-10-11 18:14:12,246 INFO L111 eAbstractionObserver]: Analyzing ICFG mix022_pso.opt.i [2020-10-11 18:14:12,258 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:14:12,266 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 18:14:12,267 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:14:12,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,297 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,297 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,298 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,298 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,298 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,299 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,301 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,301 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,302 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,310 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,317 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,317 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,318 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,324 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,325 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,326 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,326 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,330 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:14:12,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 18:14:12,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:14:12,370 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:14:12,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:14:12,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:14:12,370 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:14:12,370 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:14:12,370 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:14:12,371 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:14:12,384 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 77 transitions, 164 flow [2020-10-11 18:14:12,425 INFO L129 PetriNetUnfolder]: 2/75 cut-off events. [2020-10-11 18:14:12,425 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:14:12,430 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 75 events. 2/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-11 18:14:12,430 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 77 transitions, 164 flow [2020-10-11 18:14:12,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 75 transitions, 156 flow [2020-10-11 18:14:12,446 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2020-10-11 18:14:12,446 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:14:12,447 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:14:12,448 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:14:12,448 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:14:12,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:14:12,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1699616885, now seen corresponding path program 1 times [2020-10-11 18:14:12,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:14:12,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073940227] [2020-10-11 18:14:12,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:14:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:14:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:14:12,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073940227] [2020-10-11 18:14:12,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:14:12,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 18:14:12,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735898918] [2020-10-11 18:14:12,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 18:14:12,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:14:12,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 18:14:12,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 18:14:12,885 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 77 [2020-10-11 18:14:12,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 75 transitions, 156 flow. Second operand 3 states. [2020-10-11 18:14:12,887 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:14:12,887 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 77 [2020-10-11 18:14:12,889 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:14:12,918 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2020-10-11 18:14:12,918 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:14:12,919 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 72 events. 0/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 4/74 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-11 18:14:12,920 INFO L132 encePairwiseOnDemand]: 72/77 looper letters, 0 selfloop transitions, 2 changer transitions 9/72 dead transitions. [2020-10-11 18:14:12,921 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 72 transitions, 154 flow [2020-10-11 18:14:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 18:14:12,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 18:14:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2020-10-11 18:14:12,965 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9653679653679653 [2020-10-11 18:14:12,966 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 223 transitions. [2020-10-11 18:14:12,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 223 transitions. [2020-10-11 18:14:12,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:14:12,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 223 transitions. [2020-10-11 18:14:12,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 18:14:12,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 18:14:12,990 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 18:14:12,993 INFO L185 Difference]: Start difference. First operand has 80 places, 75 transitions, 156 flow. Second operand 3 states and 223 transitions. [2020-10-11 18:14:12,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 72 transitions, 154 flow [2020-10-11 18:14:13,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 72 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:14:13,017 INFO L241 Difference]: Finished difference. Result has 79 places, 63 transitions, 134 flow [2020-10-11 18:14:13,020 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=79, PETRI_TRANSITIONS=63} [2020-10-11 18:14:13,021 INFO L341 CegarLoopForPetriNet]: 80 programPoint places, -1 predicate places. [2020-10-11 18:14:13,022 INFO L481 AbstractCegarLoop]: Abstraction has has 79 places, 63 transitions, 134 flow [2020-10-11 18:14:13,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 18:14:13,022 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:14:13,022 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:14:13,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:14:13,023 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:14:13,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:14:13,023 INFO L82 PathProgramCache]: Analyzing trace with hash -2088635094, now seen corresponding path program 1 times [2020-10-11 18:14:13,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:14:13,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445087671] [2020-10-11 18:14:13,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:14:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:14:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:14:13,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445087671] [2020-10-11 18:14:13,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:14:13,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:14:13,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819113980] [2020-10-11 18:14:13,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:14:13,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:14:13,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:14:13,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:14:13,463 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 77 [2020-10-11 18:14:13,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 63 transitions, 134 flow. Second operand 6 states. [2020-10-11 18:14:13,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:14:13,464 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 77 [2020-10-11 18:14:13,464 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:14:13,619 INFO L129 PetriNetUnfolder]: 24/144 cut-off events. [2020-10-11 18:14:13,619 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:14:13,620 INFO L80 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 144 events. 24/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 440 event pairs, 5 based on Foata normal form. 4/146 useless extension candidates. Maximal degree in co-relation 174. Up to 31 conditions per place. [2020-10-11 18:14:13,621 INFO L132 encePairwiseOnDemand]: 70/77 looper letters, 8 selfloop transitions, 3 changer transitions 19/84 dead transitions. [2020-10-11 18:14:13,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 84 transitions, 236 flow [2020-10-11 18:14:13,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:14:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:14:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 626 transitions. [2020-10-11 18:14:13,627 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9033189033189033 [2020-10-11 18:14:13,627 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 626 transitions. [2020-10-11 18:14:13,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 626 transitions. [2020-10-11 18:14:13,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:14:13,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 626 transitions. [2020-10-11 18:14:13,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:14:13,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:14:13,634 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:14:13,634 INFO L185 Difference]: Start difference. First operand has 79 places, 63 transitions, 134 flow. Second operand 9 states and 626 transitions. [2020-10-11 18:14:13,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 84 transitions, 236 flow [2020-10-11 18:14:13,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 84 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:14:13,639 INFO L241 Difference]: Finished difference. Result has 83 places, 65 transitions, 173 flow [2020-10-11 18:14:13,639 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=173, PETRI_PLACES=83, PETRI_TRANSITIONS=65} [2020-10-11 18:14:13,640 INFO L341 CegarLoopForPetriNet]: 80 programPoint places, 3 predicate places. [2020-10-11 18:14:13,640 INFO L481 AbstractCegarLoop]: Abstraction has has 83 places, 65 transitions, 173 flow [2020-10-11 18:14:13,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:14:13,640 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:14:13,641 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:14:13,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:14:13,641 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:14:13,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:14:13,641 INFO L82 PathProgramCache]: Analyzing trace with hash 975271945, now seen corresponding path program 1 times [2020-10-11 18:14:13,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:14:13,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157332959] [2020-10-11 18:14:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:14:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:14:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:14:13,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157332959] [2020-10-11 18:14:13,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:14:13,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:14:13,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866714981] [2020-10-11 18:14:13,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:14:13,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:14:13,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:14:13,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:14:14,063 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 77 [2020-10-11 18:14:14,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 65 transitions, 173 flow. Second operand 6 states. [2020-10-11 18:14:14,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:14:14,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 77 [2020-10-11 18:14:14,064 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:14:14,227 INFO L129 PetriNetUnfolder]: 18/144 cut-off events. [2020-10-11 18:14:14,227 INFO L130 PetriNetUnfolder]: For 115/119 co-relation queries the response was YES. [2020-10-11 18:14:14,228 INFO L80 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 144 events. 18/144 cut-off events. For 115/119 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 424 event pairs, 3 based on Foata normal form. 5/146 useless extension candidates. Maximal degree in co-relation 267. Up to 21 conditions per place. [2020-10-11 18:14:14,229 INFO L132 encePairwiseOnDemand]: 71/77 looper letters, 6 selfloop transitions, 2 changer transitions 10/75 dead transitions. [2020-10-11 18:14:14,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 75 transitions, 247 flow [2020-10-11 18:14:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:14:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:14:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 623 transitions. [2020-10-11 18:14:14,233 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.898989898989899 [2020-10-11 18:14:14,233 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 623 transitions. [2020-10-11 18:14:14,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 623 transitions. [2020-10-11 18:14:14,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:14:14,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 623 transitions. [2020-10-11 18:14:14,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:14:14,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:14:14,237 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:14:14,237 INFO L185 Difference]: Start difference. First operand has 83 places, 65 transitions, 173 flow. Second operand 9 states and 623 transitions. [2020-10-11 18:14:14,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 75 transitions, 247 flow [2020-10-11 18:14:14,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 75 transitions, 228 flow, removed 8 selfloop flow, removed 4 redundant places. [2020-10-11 18:14:14,242 INFO L241 Difference]: Finished difference. Result has 88 places, 65 transitions, 182 flow [2020-10-11 18:14:14,243 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=88, PETRI_TRANSITIONS=65} [2020-10-11 18:14:14,243 INFO L341 CegarLoopForPetriNet]: 80 programPoint places, 8 predicate places. [2020-10-11 18:14:14,243 INFO L481 AbstractCegarLoop]: Abstraction has has 88 places, 65 transitions, 182 flow [2020-10-11 18:14:14,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:14:14,244 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:14:14,244 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:14:14,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:14:14,244 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:14:14,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:14:14,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1866270293, now seen corresponding path program 1 times [2020-10-11 18:14:14,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:14:14,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753534489] [2020-10-11 18:14:14,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:14:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:14:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:14:14,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753534489] [2020-10-11 18:14:14,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:14:14,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:14:14,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065381502] [2020-10-11 18:14:14,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:14:14,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:14:14,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:14:14,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:14:14,517 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 77 [2020-10-11 18:14:14,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 65 transitions, 182 flow. Second operand 6 states. [2020-10-11 18:14:14,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:14:14,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 77 [2020-10-11 18:14:14,518 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:14:14,694 INFO L129 PetriNetUnfolder]: 32/185 cut-off events. [2020-10-11 18:14:14,694 INFO L130 PetriNetUnfolder]: For 74/75 co-relation queries the response was YES. [2020-10-11 18:14:14,696 INFO L80 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 185 events. 32/185 cut-off events. For 74/75 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 734 event pairs, 5 based on Foata normal form. 5/184 useless extension candidates. Maximal degree in co-relation 312. Up to 31 conditions per place. [2020-10-11 18:14:14,697 INFO L132 encePairwiseOnDemand]: 69/77 looper letters, 11 selfloop transitions, 11 changer transitions 6/84 dead transitions. [2020-10-11 18:14:14,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 84 transitions, 276 flow [2020-10-11 18:14:14,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:14:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:14:14,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 615 transitions. [2020-10-11 18:14:14,700 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8874458874458875 [2020-10-11 18:14:14,700 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 615 transitions. [2020-10-11 18:14:14,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 615 transitions. [2020-10-11 18:14:14,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:14:14,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 615 transitions. [2020-10-11 18:14:14,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:14:14,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:14:14,704 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:14:14,704 INFO L185 Difference]: Start difference. First operand has 88 places, 65 transitions, 182 flow. Second operand 9 states and 615 transitions. [2020-10-11 18:14:14,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 84 transitions, 276 flow [2020-10-11 18:14:14,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 84 transitions, 256 flow, removed 8 selfloop flow, removed 8 redundant places. [2020-10-11 18:14:14,709 INFO L241 Difference]: Finished difference. Result has 87 places, 75 transitions, 239 flow [2020-10-11 18:14:14,709 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=239, PETRI_PLACES=87, PETRI_TRANSITIONS=75} [2020-10-11 18:14:14,710 INFO L341 CegarLoopForPetriNet]: 80 programPoint places, 7 predicate places. [2020-10-11 18:14:14,710 INFO L481 AbstractCegarLoop]: Abstraction has has 87 places, 75 transitions, 239 flow [2020-10-11 18:14:14,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:14:14,710 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:14:14,710 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:14:14,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:14:14,711 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:14:14,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:14:14,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1650654777, now seen corresponding path program 1 times [2020-10-11 18:14:14,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:14:14,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658590315] [2020-10-11 18:14:14,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:14:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:14:14,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:14:14,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658590315] [2020-10-11 18:14:14,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:14:14,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:14:14,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902423413] [2020-10-11 18:14:14,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:14:14,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:14:14,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:14:14,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:14:15,013 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 77 [2020-10-11 18:14:15,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 75 transitions, 239 flow. Second operand 7 states. [2020-10-11 18:14:15,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:14:15,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 77 [2020-10-11 18:14:15,014 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:14:15,248 INFO L129 PetriNetUnfolder]: 19/154 cut-off events. [2020-10-11 18:14:15,248 INFO L130 PetriNetUnfolder]: For 108/207 co-relation queries the response was YES. [2020-10-11 18:14:15,251 INFO L80 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 154 events. 19/154 cut-off events. For 108/207 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 555 event pairs, 0 based on Foata normal form. 25/174 useless extension candidates. Maximal degree in co-relation 326. Up to 19 conditions per place. [2020-10-11 18:14:15,252 INFO L132 encePairwiseOnDemand]: 69/77 looper letters, 8 selfloop transitions, 15 changer transitions 10/89 dead transitions. [2020-10-11 18:14:15,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 89 transitions, 366 flow [2020-10-11 18:14:15,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 18:14:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-11 18:14:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 810 transitions. [2020-10-11 18:14:15,256 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8766233766233766 [2020-10-11 18:14:15,256 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 810 transitions. [2020-10-11 18:14:15,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 810 transitions. [2020-10-11 18:14:15,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:14:15,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 810 transitions. [2020-10-11 18:14:15,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-11 18:14:15,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-11 18:14:15,261 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-11 18:14:15,262 INFO L185 Difference]: Start difference. First operand has 87 places, 75 transitions, 239 flow. Second operand 12 states and 810 transitions. [2020-10-11 18:14:15,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 89 transitions, 366 flow [2020-10-11 18:14:15,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 89 transitions, 346 flow, removed 8 selfloop flow, removed 5 redundant places. [2020-10-11 18:14:15,266 INFO L241 Difference]: Finished difference. Result has 99 places, 77 transitions, 289 flow [2020-10-11 18:14:15,267 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=289, PETRI_PLACES=99, PETRI_TRANSITIONS=77} [2020-10-11 18:14:15,267 INFO L341 CegarLoopForPetriNet]: 80 programPoint places, 19 predicate places. [2020-10-11 18:14:15,267 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 77 transitions, 289 flow [2020-10-11 18:14:15,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:14:15,268 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:14:15,268 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:14:15,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:14:15,268 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:14:15,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:14:15,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1664161165, now seen corresponding path program 1 times [2020-10-11 18:14:15,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:14:15,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628934765] [2020-10-11 18:14:15,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:14:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:14:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:14:15,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628934765] [2020-10-11 18:14:15,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:14:15,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 18:14:15,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382679314] [2020-10-11 18:14:15,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 18:14:15,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:14:15,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 18:14:15,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-11 18:14:16,292 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 77 [2020-10-11 18:14:16,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 77 transitions, 289 flow. Second operand 9 states. [2020-10-11 18:14:16,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:14:16,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 77 [2020-10-11 18:14:16,293 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:14:16,478 INFO L129 PetriNetUnfolder]: 14/202 cut-off events. [2020-10-11 18:14:16,478 INFO L130 PetriNetUnfolder]: For 245/259 co-relation queries the response was YES. [2020-10-11 18:14:16,480 INFO L80 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 202 events. 14/202 cut-off events. For 245/259 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 988 event pairs, 0 based on Foata normal form. 1/197 useless extension candidates. Maximal degree in co-relation 440. Up to 25 conditions per place. [2020-10-11 18:14:16,480 INFO L132 encePairwiseOnDemand]: 68/77 looper letters, 13 selfloop transitions, 4 changer transitions 6/84 dead transitions. [2020-10-11 18:14:16,481 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 84 transitions, 349 flow [2020-10-11 18:14:16,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:14:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:14:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 614 transitions. [2020-10-11 18:14:16,483 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7974025974025974 [2020-10-11 18:14:16,483 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 614 transitions. [2020-10-11 18:14:16,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 614 transitions. [2020-10-11 18:14:16,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:14:16,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 614 transitions. [2020-10-11 18:14:16,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:14:16,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:14:16,488 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:14:16,488 INFO L185 Difference]: Start difference. First operand has 99 places, 77 transitions, 289 flow. Second operand 10 states and 614 transitions. [2020-10-11 18:14:16,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 84 transitions, 349 flow [2020-10-11 18:14:16,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 84 transitions, 315 flow, removed 6 selfloop flow, removed 10 redundant places. [2020-10-11 18:14:16,494 INFO L241 Difference]: Finished difference. Result has 101 places, 77 transitions, 275 flow [2020-10-11 18:14:16,494 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=275, PETRI_PLACES=101, PETRI_TRANSITIONS=77} [2020-10-11 18:14:16,494 INFO L341 CegarLoopForPetriNet]: 80 programPoint places, 21 predicate places. [2020-10-11 18:14:16,494 INFO L481 AbstractCegarLoop]: Abstraction has has 101 places, 77 transitions, 275 flow [2020-10-11 18:14:16,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 18:14:16,495 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:14:16,495 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:14:16,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 18:14:16,495 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:14:16,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:14:16,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1656162321, now seen corresponding path program 2 times [2020-10-11 18:14:16,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:14:16,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001433336] [2020-10-11 18:14:16,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:14:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 18:14:16,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 18:14:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 18:14:16,598 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 18:14:16,647 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 18:14:16,650 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 18:14:16,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 18:14:16,687 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,688 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,689 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,689 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,690 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,690 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,690 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,690 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,690 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,690 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,691 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,691 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,691 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,691 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,691 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,692 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,692 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,692 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,692 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,692 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,693 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,693 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,693 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,693 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,694 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,694 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,694 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,694 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,694 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,694 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,695 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,695 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,695 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,695 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,695 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,696 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,696 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,696 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,696 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,696 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,697 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,697 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,697 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,697 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,698 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,698 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,698 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,699 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,699 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,699 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,699 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,699 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,700 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:14:16,700 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:14:16,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:14:16 BasicIcfg [2020-10-11 18:14:16,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:14:16,813 INFO L168 Benchmark]: Toolchain (without parser) took 7437.88 ms. Allocated memory was 252.7 MB in the beginning and 427.8 MB in the end (delta: 175.1 MB). Free memory was 207.4 MB in the beginning and 277.7 MB in the end (delta: -70.2 MB). Peak memory consumption was 104.9 MB. Max. memory is 14.2 GB. [2020-10-11 18:14:16,814 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:14:16,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.15 ms. Allocated memory was 252.7 MB in the beginning and 317.7 MB in the end (delta: 65.0 MB). Free memory was 207.4 MB in the beginning and 266.0 MB in the end (delta: -58.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. [2020-10-11 18:14:16,817 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.79 ms. Allocated memory is still 317.7 MB. Free memory was 266.0 MB in the beginning and 263.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:14:16,820 INFO L168 Benchmark]: Boogie Preprocessor took 75.33 ms. Allocated memory is still 317.7 MB. Free memory was 263.5 MB in the beginning and 261.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:14:16,821 INFO L168 Benchmark]: RCFGBuilder took 2036.45 ms. Allocated memory was 317.7 MB in the beginning and 359.7 MB in the end (delta: 41.9 MB). Free memory was 261.0 MB in the beginning and 214.0 MB in the end (delta: 47.0 MB). Peak memory consumption was 97.1 MB. Max. memory is 14.2 GB. [2020-10-11 18:14:16,821 INFO L168 Benchmark]: TraceAbstraction took 4572.33 ms. Allocated memory was 359.7 MB in the beginning and 427.8 MB in the end (delta: 68.2 MB). Free memory was 214.0 MB in the beginning and 277.7 MB in the end (delta: -63.6 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:14:16,830 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 686.15 ms. Allocated memory was 252.7 MB in the beginning and 317.7 MB in the end (delta: 65.0 MB). Free memory was 207.4 MB in the beginning and 266.0 MB in the end (delta: -58.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 61.79 ms. Allocated memory is still 317.7 MB. Free memory was 266.0 MB in the beginning and 263.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 75.33 ms. Allocated memory is still 317.7 MB. Free memory was 263.5 MB in the beginning and 261.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2036.45 ms. Allocated memory was 317.7 MB in the beginning and 359.7 MB in the end (delta: 41.9 MB). Free memory was 261.0 MB in the beginning and 214.0 MB in the end (delta: 47.0 MB). Peak memory consumption was 97.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 4572.33 ms. Allocated memory was 359.7 MB in the beginning and 427.8 MB in the end (delta: 68.2 MB). Free memory was 214.0 MB in the beginning and 277.7 MB in the end (delta: -63.6 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L699] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L701] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L702] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L703] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L705] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L707] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L708] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L709] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L710] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L711] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L712] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L713] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L714] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L715] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L716] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L717] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L718] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L719] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L720] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L721] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L722] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L723] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L799] 0 pthread_t t591; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L800] FCALL, FORK 0 pthread_create(&t591, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L727] 1 y$w_buff1 = y$w_buff0 [L728] 1 y$w_buff0 = 1 [L729] 1 y$w_buff1_used = y$w_buff0_used [L730] 1 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L732] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L733] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L734] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L735] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L801] 0 pthread_t t592; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L802] FCALL, FORK 0 pthread_create(&t592, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L758] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L761] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L762] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L763] 2 y$flush_delayed = weak$$choice2 [L764] 2 y$mem_tmp = y [L765] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L765] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L766] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L766] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L766] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L766] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L767] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L767] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L768] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L768] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L768] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L769] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L769] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L770] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L770] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L771] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L771] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L771] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 __unbuffered_p1_EBX = y [L773] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L773] 2 y = y$flush_delayed ? y$mem_tmp : y [L774] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L741] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L742] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L742] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L743] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L743] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L744] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L745] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L748] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L777] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L778] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L779] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L780] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L781] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L784] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L804] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L808] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L808] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L809] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L809] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L810] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L810] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L811] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L812] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L812] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L815] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L7] COND TRUE 0 !expression VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L7] 0 __VERIFIER_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4.2s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 102 SDtfs, 152 SDslu, 418 SDs, 0 SdLazy, 397 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 52105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...