/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/airline-25.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 16:30:59,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 16:30:59,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 16:30:59,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 16:30:59,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-01 16:30:59,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 16:30:59,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 16:30:59,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 16:30:59,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 16:30:59,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 16:30:59,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 16:30:59,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 16:30:59,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 16:30:59,412 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 16:30:59,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 16:30:59,412 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 16:30:59,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 16:30:59,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 16:30:59,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 16:30:59,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 16:30:59,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 16:30:59,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:30:59,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 16:30:59,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 16:30:59,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 16:30:59,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 16:30:59,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 16:30:59,622 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-01 16:30:59,623 INFO L275 PluginConnector]: CDTParser initialized [2022-03-01 16:30:59,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/airline-25.i [2022-03-01 16:30:59,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a1ecfce/78239f0f8bd942538df45c0e8bf30cf3/FLAG9b36e3464 [2022-03-01 16:31:00,129 INFO L306 CDTParser]: Found 1 translation units. [2022-03-01 16:31:00,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/airline-25.i [2022-03-01 16:31:00,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a1ecfce/78239f0f8bd942538df45c0e8bf30cf3/FLAG9b36e3464 [2022-03-01 16:31:00,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a1ecfce/78239f0f8bd942538df45c0e8bf30cf3 [2022-03-01 16:31:00,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 16:31:00,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-01 16:31:00,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-01 16:31:00,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-01 16:31:00,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-01 16:31:00,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:00,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4ef16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00, skipping insertion in model container [2022-03-01 16:31:00,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:00,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-01 16:31:00,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-01 16:31:00,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/airline-25.i[32101,32114] [2022-03-01 16:31:00,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:31:00,949 INFO L203 MainTranslator]: Completed pre-run [2022-03-01 16:31:00,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/airline-25.i[32101,32114] [2022-03-01 16:31:00,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-01 16:31:00,994 INFO L208 MainTranslator]: Completed translation [2022-03-01 16:31:00,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00 WrapperNode [2022-03-01 16:31:00,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-01 16:31:00,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 16:31:00,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 16:31:00,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 16:31:00,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,031 INFO L137 Inliner]: procedures = 162, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-03-01 16:31:01,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 16:31:01,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 16:31:01,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 16:31:01,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 16:31:01,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 16:31:01,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 16:31:01,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 16:31:01,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 16:31:01,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (1/1) ... [2022-03-01 16:31:01,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 16:31:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:31:01,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-01 16:31:01,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-01 16:31:01,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure salethread [2022-03-01 16:31:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure salethread [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-01 16:31:01,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 16:31:01,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 16:31:01,127 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 16:31:01,215 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 16:31:01,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 16:31:01,390 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 16:31:01,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 16:31:01,394 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-01 16:31:01,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:31:01 BoogieIcfgContainer [2022-03-01 16:31:01,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 16:31:01,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 16:31:01,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 16:31:01,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 16:31:01,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.03 04:31:00" (1/3) ... [2022-03-01 16:31:01,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba523b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:31:01, skipping insertion in model container [2022-03-01 16:31:01,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.03 04:31:00" (2/3) ... [2022-03-01 16:31:01,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba523b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 04:31:01, skipping insertion in model container [2022-03-01 16:31:01,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 04:31:01" (3/3) ... [2022-03-01 16:31:01,400 INFO L111 eAbstractionObserver]: Analyzing ICFG airline-25.i [2022-03-01 16:31:01,404 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 16:31:01,404 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 16:31:01,404 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 16:31:01,404 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 16:31:01,430 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,431 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,431 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,431 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,432 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,432 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,432 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,432 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,435 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,436 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,436 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,436 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,437 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,437 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,438 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,438 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,438 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,439 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,440 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,440 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,443 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,443 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,444 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,444 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of1ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,444 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,450 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-01 16:31:01,492 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:31:01,496 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:31:01,497 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 16:31:01,504 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 69 transitions, 146 flow [2022-03-01 16:31:01,548 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 284 states, 279 states have (on average 2.060931899641577) internal successors, (575), 283 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 284 states, 279 states have (on average 2.060931899641577) internal successors, (575), 283 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:01,556 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:01,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:01,556 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:01,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:01,560 INFO L85 PathProgramCache]: Analyzing trace with hash 439318582, now seen corresponding path program 1 times [2022-03-01 16:31:01,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:01,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353712440] [2022-03-01 16:31:01,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:01,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:01,715 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:01,715 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353712440] [2022-03-01 16:31:01,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353712440] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:01,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:01,716 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:31:01,716 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78125115] [2022-03-01 16:31:01,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:01,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:31:01,720 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:01,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:31:01,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:01,741 INFO L87 Difference]: Start difference. First operand has 284 states, 279 states have (on average 2.060931899641577) internal successors, (575), 283 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:01,775 INFO L93 Difference]: Finished difference Result 275 states and 527 transitions. [2022-03-01 16:31:01,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:31:01,778 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:01,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:01,792 INFO L225 Difference]: With dead ends: 275 [2022-03-01 16:31:01,792 INFO L226 Difference]: Without dead ends: 210 [2022-03-01 16:31:01,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:01,796 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:01,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:01,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-03-01 16:31:01,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-03-01 16:31:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 207 states have (on average 1.893719806763285) internal successors, (392), 209 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 392 transitions. [2022-03-01 16:31:01,844 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 392 transitions. Word has length 30 [2022-03-01 16:31:01,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:01,845 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 392 transitions. [2022-03-01 16:31:01,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2022-03-01 16:31:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:01,846 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:01,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:01,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 16:31:01,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:01,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:01,848 INFO L85 PathProgramCache]: Analyzing trace with hash 467977524, now seen corresponding path program 1 times [2022-03-01 16:31:01,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:01,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908228173] [2022-03-01 16:31:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:01,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:01,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:01,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908228173] [2022-03-01 16:31:01,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908228173] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:01,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:01,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:31:01,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037479546] [2022-03-01 16:31:01,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:01,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:01,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:01,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:01,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:01,903 INFO L87 Difference]: Start difference. First operand 210 states and 392 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:01,927 INFO L93 Difference]: Finished difference Result 209 states and 390 transitions. [2022-03-01 16:31:01,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:01,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:01,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:01,928 INFO L225 Difference]: With dead ends: 209 [2022-03-01 16:31:01,928 INFO L226 Difference]: Without dead ends: 209 [2022-03-01 16:31:01,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:01,929 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:01,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 100 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:01,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-03-01 16:31:01,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2022-03-01 16:31:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 206 states have (on average 1.8932038834951457) internal successors, (390), 208 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 390 transitions. [2022-03-01 16:31:01,936 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 390 transitions. Word has length 30 [2022-03-01 16:31:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:01,936 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 390 transitions. [2022-03-01 16:31:01,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 390 transitions. [2022-03-01 16:31:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-01 16:31:01,937 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:01,938 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2022-03-01 16:31:01,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-01 16:31:01,938 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:01,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:01,938 INFO L85 PathProgramCache]: Analyzing trace with hash 2028145231, now seen corresponding path program 1 times [2022-03-01 16:31:01,938 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:01,938 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265908134] [2022-03-01 16:31:01,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:01,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:31:01,958 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:31:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:31:01,984 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:31:01,985 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:31:01,985 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-01 16:31:01,986 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-01 16:31:01,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-01 16:31:01,988 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-01 16:31:01,989 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-01 16:31:01,989 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-01 16:31:01,996 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,996 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,996 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,996 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,996 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,996 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,996 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,997 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,998 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,998 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,998 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,998 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,998 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,998 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,998 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:01,999 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,000 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,000 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,000 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,000 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,000 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,000 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,000 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,001 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,001 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,001 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,001 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,001 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,002 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,002 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,002 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,002 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,002 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,003 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-01 16:31:02,004 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:31:02,005 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:31:02,005 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 16:31:02,006 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 81 transitions, 180 flow [2022-03-01 16:31:02,071 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2669 states, 2660 states have (on average 3.0973684210526318) internal successors, (8239), 2668 states have internal predecessors, (8239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 2669 states, 2660 states have (on average 3.0973684210526318) internal successors, (8239), 2668 states have internal predecessors, (8239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:02,077 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:02,077 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:02,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:02,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1619998698, now seen corresponding path program 1 times [2022-03-01 16:31:02,078 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:02,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539245345] [2022-03-01 16:31:02,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:02,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:02,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:02,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539245345] [2022-03-01 16:31:02,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539245345] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:02,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:02,144 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:31:02,144 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597992016] [2022-03-01 16:31:02,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:02,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:31:02,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:02,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:31:02,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:02,151 INFO L87 Difference]: Start difference. First operand has 2669 states, 2660 states have (on average 3.0973684210526318) internal successors, (8239), 2668 states have internal predecessors, (8239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:02,173 INFO L93 Difference]: Finished difference Result 2570 states and 7650 transitions. [2022-03-01 16:31:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:31:02,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:02,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:02,183 INFO L225 Difference]: With dead ends: 2570 [2022-03-01 16:31:02,183 INFO L226 Difference]: Without dead ends: 1875 [2022-03-01 16:31:02,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:02,184 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:02,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1875 states. [2022-03-01 16:31:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1875 to 1875. [2022-03-01 16:31:02,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1870 states have (on average 2.9705882352941178) internal successors, (5555), 1874 states have internal predecessors, (5555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 5555 transitions. [2022-03-01 16:31:02,234 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 5555 transitions. Word has length 30 [2022-03-01 16:31:02,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:02,234 INFO L470 AbstractCegarLoop]: Abstraction has 1875 states and 5555 transitions. [2022-03-01 16:31:02,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 5555 transitions. [2022-03-01 16:31:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:02,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:02,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:02,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-01 16:31:02,236 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:02,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:02,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1591339756, now seen corresponding path program 1 times [2022-03-01 16:31:02,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:02,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311506709] [2022-03-01 16:31:02,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:02,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:02,280 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:02,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311506709] [2022-03-01 16:31:02,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311506709] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:02,281 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:02,281 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:31:02,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868179463] [2022-03-01 16:31:02,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:02,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:02,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:02,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:02,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:02,282 INFO L87 Difference]: Start difference. First operand 1875 states and 5555 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:02,320 INFO L93 Difference]: Finished difference Result 1874 states and 5553 transitions. [2022-03-01 16:31:02,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:02,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:02,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:02,330 INFO L225 Difference]: With dead ends: 1874 [2022-03-01 16:31:02,330 INFO L226 Difference]: Without dead ends: 1874 [2022-03-01 16:31:02,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:02,334 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 18 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:02,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 122 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:02,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2022-03-01 16:31:02,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1874. [2022-03-01 16:31:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1869 states have (on average 2.971107544141252) internal successors, (5553), 1873 states have internal predecessors, (5553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 5553 transitions. [2022-03-01 16:31:02,373 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 5553 transitions. Word has length 30 [2022-03-01 16:31:02,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:02,373 INFO L470 AbstractCegarLoop]: Abstraction has 1874 states and 5553 transitions. [2022-03-01 16:31:02,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 5553 transitions. [2022-03-01 16:31:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-01 16:31:02,378 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:02,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:02,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-01 16:31:02,378 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:02,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:02,379 INFO L85 PathProgramCache]: Analyzing trace with hash -776830794, now seen corresponding path program 1 times [2022-03-01 16:31:02,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:02,379 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951363951] [2022-03-01 16:31:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:02,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:02,453 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:02,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951363951] [2022-03-01 16:31:02,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951363951] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:31:02,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474234293] [2022-03-01 16:31:02,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:02,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:31:02,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:31:02,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:31:02,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-01 16:31:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:02,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-01 16:31:02,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:31:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:31:02,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:31:02,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474234293] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:02,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:31:02,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-01 16:31:02,599 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325407435] [2022-03-01 16:31:02,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:02,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:02,600 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:02,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:02,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:31:02,600 INFO L87 Difference]: Start difference. First operand 1874 states and 5553 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:02,627 INFO L93 Difference]: Finished difference Result 1580 states and 4561 transitions. [2022-03-01 16:31:02,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:02,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-03-01 16:31:02,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:02,633 INFO L225 Difference]: With dead ends: 1580 [2022-03-01 16:31:02,633 INFO L226 Difference]: Without dead ends: 1580 [2022-03-01 16:31:02,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:31:02,634 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 26 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:02,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 142 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:02,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2022-03-01 16:31:02,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1559. [2022-03-01 16:31:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1555 states have (on average 2.9118971061093246) internal successors, (4528), 1558 states have internal predecessors, (4528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 4528 transitions. [2022-03-01 16:31:02,679 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 4528 transitions. Word has length 40 [2022-03-01 16:31:02,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:02,680 INFO L470 AbstractCegarLoop]: Abstraction has 1559 states and 4528 transitions. [2022-03-01 16:31:02,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 4528 transitions. [2022-03-01 16:31:02,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-01 16:31:02,682 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:02,682 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-03-01 16:31:02,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-01 16:31:02,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-03-01 16:31:02,899 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:02,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:02,899 INFO L85 PathProgramCache]: Analyzing trace with hash 638183219, now seen corresponding path program 1 times [2022-03-01 16:31:02,899 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:02,899 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152686139] [2022-03-01 16:31:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:02,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:31:02,910 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:31:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:31:02,931 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:31:02,931 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:31:02,931 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-01 16:31:02,931 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-01 16:31:02,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-01 16:31:02,932 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-01 16:31:02,932 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-01 16:31:02,932 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-01 16:31:02,942 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,942 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,942 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,942 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,943 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,944 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,945 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,946 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,947 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,948 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,949 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,949 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,949 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,949 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,949 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,949 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,949 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:02,951 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-01 16:31:02,951 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:31:02,952 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:31:02,952 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 16:31:02,953 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 88 places, 93 transitions, 216 flow [2022-03-01 16:31:03,726 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 25844 states, 25827 states have (on average 4.12684400046463) internal successors, (106584), 25843 states have internal predecessors, (106584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 25844 states, 25827 states have (on average 4.12684400046463) internal successors, (106584), 25843 states have internal predecessors, (106584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:03,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:03,779 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:03,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:03,779 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:03,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:03,780 INFO L85 PathProgramCache]: Analyzing trace with hash -962015626, now seen corresponding path program 1 times [2022-03-01 16:31:03,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:03,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747268614] [2022-03-01 16:31:03,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:03,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:03,805 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:03,805 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747268614] [2022-03-01 16:31:03,805 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747268614] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:03,805 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:03,805 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:31:03,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109357299] [2022-03-01 16:31:03,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:03,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:31:03,806 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:03,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:31:03,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:03,851 INFO L87 Difference]: Start difference. First operand has 25844 states, 25827 states have (on average 4.12684400046463) internal successors, (106584), 25843 states have internal predecessors, (106584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:04,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:04,160 INFO L93 Difference]: Finished difference Result 24845 states and 99766 transitions. [2022-03-01 16:31:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:31:04,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:04,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:04,362 INFO L225 Difference]: With dead ends: 24845 [2022-03-01 16:31:04,362 INFO L226 Difference]: Without dead ends: 17850 [2022-03-01 16:31:04,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:04,363 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:04,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:04,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17850 states. [2022-03-01 16:31:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17850 to 17850. [2022-03-01 16:31:04,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17850 states, 17841 states have (on average 4.02281262261084) internal successors, (71771), 17849 states have internal predecessors, (71771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17850 states to 17850 states and 71771 transitions. [2022-03-01 16:31:05,013 INFO L78 Accepts]: Start accepts. Automaton has 17850 states and 71771 transitions. Word has length 30 [2022-03-01 16:31:05,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:05,013 INFO L470 AbstractCegarLoop]: Abstraction has 17850 states and 71771 transitions. [2022-03-01 16:31:05,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 17850 states and 71771 transitions. [2022-03-01 16:31:05,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:05,013 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:05,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:05,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-01 16:31:05,014 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:05,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:05,014 INFO L85 PathProgramCache]: Analyzing trace with hash -933356684, now seen corresponding path program 1 times [2022-03-01 16:31:05,014 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:05,014 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80224348] [2022-03-01 16:31:05,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:05,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:05,049 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:05,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80224348] [2022-03-01 16:31:05,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80224348] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:05,049 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:05,049 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:31:05,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198378932] [2022-03-01 16:31:05,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:05,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:05,049 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:05,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:05,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:05,050 INFO L87 Difference]: Start difference. First operand 17850 states and 71771 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:05,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:05,259 INFO L93 Difference]: Finished difference Result 17849 states and 71769 transitions. [2022-03-01 16:31:05,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:05,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:05,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:05,323 INFO L225 Difference]: With dead ends: 17849 [2022-03-01 16:31:05,323 INFO L226 Difference]: Without dead ends: 17849 [2022-03-01 16:31:05,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:05,324 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 18 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:05,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 142 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:05,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17849 states. [2022-03-01 16:31:05,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17849 to 17849. [2022-03-01 16:31:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17849 states, 17840 states have (on average 4.02292600896861) internal successors, (71769), 17848 states have internal predecessors, (71769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17849 states to 17849 states and 71769 transitions. [2022-03-01 16:31:05,923 INFO L78 Accepts]: Start accepts. Automaton has 17849 states and 71769 transitions. Word has length 30 [2022-03-01 16:31:05,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:05,923 INFO L470 AbstractCegarLoop]: Abstraction has 17849 states and 71769 transitions. [2022-03-01 16:31:05,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17849 states and 71769 transitions. [2022-03-01 16:31:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-01 16:31:05,923 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:05,924 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:05,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-01 16:31:05,924 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:05,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:05,924 INFO L85 PathProgramCache]: Analyzing trace with hash 96906988, now seen corresponding path program 1 times [2022-03-01 16:31:05,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:05,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573379749] [2022-03-01 16:31:05,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:05,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:05,954 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:05,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573379749] [2022-03-01 16:31:05,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573379749] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:31:05,954 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125942617] [2022-03-01 16:31:05,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:05,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:31:05,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:31:05,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:31:05,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 16:31:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:06,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-01 16:31:06,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:31:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:31:06,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:31:06,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125942617] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:06,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:31:06,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-01 16:31:06,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941632972] [2022-03-01 16:31:06,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:06,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:06,074 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:06,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:06,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:31:06,075 INFO L87 Difference]: Start difference. First operand 17849 states and 71769 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:06,261 INFO L93 Difference]: Finished difference Result 15260 states and 60019 transitions. [2022-03-01 16:31:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:06,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-03-01 16:31:06,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:06,312 INFO L225 Difference]: With dead ends: 15260 [2022-03-01 16:31:06,313 INFO L226 Difference]: Without dead ends: 15260 [2022-03-01 16:31:06,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:31:06,314 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 37 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:06,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 172 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:06,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15260 states. [2022-03-01 16:31:06,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15260 to 15023. [2022-03-01 16:31:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15023 states, 15015 states have (on average 3.956909756909757) internal successors, (59413), 15022 states have internal predecessors, (59413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15023 states to 15023 states and 59413 transitions. [2022-03-01 16:31:06,734 INFO L78 Accepts]: Start accepts. Automaton has 15023 states and 59413 transitions. Word has length 40 [2022-03-01 16:31:06,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:06,734 INFO L470 AbstractCegarLoop]: Abstraction has 15023 states and 59413 transitions. [2022-03-01 16:31:06,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 15023 states and 59413 transitions. [2022-03-01 16:31:06,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-03-01 16:31:06,737 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:06,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:06,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 16:31:06,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-01 16:31:06,952 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:06,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:06,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2000580369, now seen corresponding path program 1 times [2022-03-01 16:31:06,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:06,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449501280] [2022-03-01 16:31:06,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:06,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-01 16:31:06,980 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:06,980 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449501280] [2022-03-01 16:31:06,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449501280] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:06,980 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:06,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:31:06,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239553726] [2022-03-01 16:31:06,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:06,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:06,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:06,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:06,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:06,981 INFO L87 Difference]: Start difference. First operand 15023 states and 59413 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:07,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:07,283 INFO L93 Difference]: Finished difference Result 26273 states and 96519 transitions. [2022-03-01 16:31:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:07,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-03-01 16:31:07,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:07,384 INFO L225 Difference]: With dead ends: 26273 [2022-03-01 16:31:07,385 INFO L226 Difference]: Without dead ends: 26273 [2022-03-01 16:31:07,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:07,387 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 51 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:07,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 140 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26273 states. [2022-03-01 16:31:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26273 to 20159. [2022-03-01 16:31:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20159 states, 20151 states have (on average 3.733859361818272) internal successors, (75241), 20158 states have internal predecessors, (75241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20159 states to 20159 states and 75241 transitions. [2022-03-01 16:31:08,137 INFO L78 Accepts]: Start accepts. Automaton has 20159 states and 75241 transitions. Word has length 51 [2022-03-01 16:31:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:08,137 INFO L470 AbstractCegarLoop]: Abstraction has 20159 states and 75241 transitions. [2022-03-01 16:31:08,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 20159 states and 75241 transitions. [2022-03-01 16:31:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-03-01 16:31:08,140 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:08,140 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:08,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-01 16:31:08,140 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:08,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:08,141 INFO L85 PathProgramCache]: Analyzing trace with hash -963480933, now seen corresponding path program 1 times [2022-03-01 16:31:08,141 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:08,141 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828019152] [2022-03-01 16:31:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:08,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:31:08,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:08,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828019152] [2022-03-01 16:31:08,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828019152] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:31:08,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283722826] [2022-03-01 16:31:08,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:08,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:31:08,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:31:08,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:31:08,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 16:31:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:08,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:31:08,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:31:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:31:08,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:31:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:31:08,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283722826] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:31:08,433 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:31:08,433 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:31:08,434 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813961540] [2022-03-01 16:31:08,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:31:08,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:31:08,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:08,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:31:08,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:31:08,434 INFO L87 Difference]: Start difference. First operand 20159 states and 75241 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:08,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:08,587 INFO L93 Difference]: Finished difference Result 19955 states and 74505 transitions. [2022-03-01 16:31:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:31:08,588 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-03-01 16:31:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:08,647 INFO L225 Difference]: With dead ends: 19955 [2022-03-01 16:31:08,647 INFO L226 Difference]: Without dead ends: 19955 [2022-03-01 16:31:08,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:31:08,648 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 202 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:08,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 456 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:08,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19955 states. [2022-03-01 16:31:09,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19955 to 19955. [2022-03-01 16:31:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19955 states, 19947 states have (on average 3.7351481425778315) internal successors, (74505), 19954 states have internal predecessors, (74505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19955 states to 19955 states and 74505 transitions. [2022-03-01 16:31:09,246 INFO L78 Accepts]: Start accepts. Automaton has 19955 states and 74505 transitions. Word has length 54 [2022-03-01 16:31:09,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:09,247 INFO L470 AbstractCegarLoop]: Abstraction has 19955 states and 74505 transitions. [2022-03-01 16:31:09,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:09,247 INFO L276 IsEmpty]: Start isEmpty. Operand 19955 states and 74505 transitions. [2022-03-01 16:31:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-01 16:31:09,255 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:09,255 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-03-01 16:31:09,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-01 16:31:09,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:31:09,471 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:09,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:09,472 INFO L85 PathProgramCache]: Analyzing trace with hash 629871864, now seen corresponding path program 1 times [2022-03-01 16:31:09,472 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:09,472 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566921249] [2022-03-01 16:31:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:09,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:31:09,484 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:31:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:31:09,512 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:31:09,514 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:31:09,514 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-01 16:31:09,514 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-01 16:31:09,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-01 16:31:09,514 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-03-01 16:31:09,515 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-01 16:31:09,515 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-03-01 16:31:09,526 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,526 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,526 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,526 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,527 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,528 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,528 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,528 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,529 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,530 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,531 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,532 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,533 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,534 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,534 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,534 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,535 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,535 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,535 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,535 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,535 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,535 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,536 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,537 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,537 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,537 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,537 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,537 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:31:09,540 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-01 16:31:09,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:31:09,541 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:31:09,541 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 16:31:09,545 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 105 transitions, 254 flow [2022-03-01 16:31:16,333 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 251519 states, 251486 states have (on average 5.152648656386439) internal successors, (1295819), 251518 states have internal predecessors, (1295819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 251519 states, 251486 states have (on average 5.152648656386439) internal successors, (1295819), 251518 states have internal predecessors, (1295819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:16,744 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:16,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:16,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:16,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:16,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1881699498, now seen corresponding path program 1 times [2022-03-01 16:31:16,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:16,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090167996] [2022-03-01 16:31:16,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:16,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:16,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090167996] [2022-03-01 16:31:16,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090167996] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:16,769 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:16,769 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-01 16:31:16,769 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10139822] [2022-03-01 16:31:16,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:16,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-01 16:31:16,769 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:16,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-01 16:31:16,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:17,181 INFO L87 Difference]: Start difference. First operand has 251519 states, 251486 states have (on average 5.152648656386439) internal successors, (1295819), 251518 states have internal predecessors, (1295819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:21,264 INFO L93 Difference]: Finished difference Result 241520 states and 1218440 transitions. [2022-03-01 16:31:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 16:31:21,265 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:21,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:23,098 INFO L225 Difference]: With dead ends: 241520 [2022-03-01 16:31:23,099 INFO L226 Difference]: Without dead ends: 171525 [2022-03-01 16:31:23,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-01 16:31:23,101 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:23,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:23,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171525 states. [2022-03-01 16:31:29,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171525 to 171525. [2022-03-01 16:31:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171525 states, 171508 states have (on average 5.063583039858199) internal successors, (868445), 171524 states have internal predecessors, (868445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171525 states to 171525 states and 868445 transitions. [2022-03-01 16:31:31,648 INFO L78 Accepts]: Start accepts. Automaton has 171525 states and 868445 transitions. Word has length 30 [2022-03-01 16:31:31,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:31,649 INFO L470 AbstractCegarLoop]: Abstraction has 171525 states and 868445 transitions. [2022-03-01 16:31:31,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:31,649 INFO L276 IsEmpty]: Start isEmpty. Operand 171525 states and 868445 transitions. [2022-03-01 16:31:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-03-01 16:31:31,649 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:31,649 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:31,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-01 16:31:31,649 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1853040556, now seen corresponding path program 1 times [2022-03-01 16:31:31,650 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:31,650 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041374244] [2022-03-01 16:31:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:31,678 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:31,678 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041374244] [2022-03-01 16:31:31,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041374244] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:31,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:31,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:31:31,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111128385] [2022-03-01 16:31:31,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:31,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:31,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:31,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:31,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:31,680 INFO L87 Difference]: Start difference. First operand 171525 states and 868445 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:33,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:33,748 INFO L93 Difference]: Finished difference Result 171524 states and 868443 transitions. [2022-03-01 16:31:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:33,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-03-01 16:31:33,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:36,498 INFO L225 Difference]: With dead ends: 171524 [2022-03-01 16:31:36,498 INFO L226 Difference]: Without dead ends: 171524 [2022-03-01 16:31:36,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:36,503 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 18 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:36,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 162 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:37,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171524 states. [2022-03-01 16:31:44,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171524 to 171524. [2022-03-01 16:31:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171524 states, 171507 states have (on average 5.0636009025870665) internal successors, (868443), 171523 states have internal predecessors, (868443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171524 states to 171524 states and 868443 transitions. [2022-03-01 16:31:46,413 INFO L78 Accepts]: Start accepts. Automaton has 171524 states and 868443 transitions. Word has length 30 [2022-03-01 16:31:46,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:46,413 INFO L470 AbstractCegarLoop]: Abstraction has 171524 states and 868443 transitions. [2022-03-01 16:31:46,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 171524 states and 868443 transitions. [2022-03-01 16:31:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-03-01 16:31:46,414 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:46,414 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:46,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-01 16:31:46,414 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:46,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:46,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1055374114, now seen corresponding path program 1 times [2022-03-01 16:31:46,414 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:46,415 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478511338] [2022-03-01 16:31:46,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:46,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 16:31:46,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:46,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478511338] [2022-03-01 16:31:46,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478511338] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:31:46,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439439979] [2022-03-01 16:31:46,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:46,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:31:46,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:31:46,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:31:46,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 16:31:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:46,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-03-01 16:31:46,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:31:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:31:46,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-01 16:31:46,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439439979] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:46,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-01 16:31:46,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-03-01 16:31:46,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488136041] [2022-03-01 16:31:46,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:46,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:46,535 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:46,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:46,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:31:46,536 INFO L87 Difference]: Start difference. First operand 171524 states and 868443 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:48,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:31:48,848 INFO L93 Difference]: Finished difference Result 148523 states and 737785 transitions. [2022-03-01 16:31:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:31:48,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2022-03-01 16:31:48,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:31:50,856 INFO L225 Difference]: With dead ends: 148523 [2022-03-01 16:31:50,857 INFO L226 Difference]: Without dead ends: 148523 [2022-03-01 16:31:50,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-01 16:31:50,857 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 48 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:31:50,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 202 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:31:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148523 states. [2022-03-01 16:31:56,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148523 to 146099. [2022-03-01 16:31:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146099 states, 146083 states have (on average 4.99030003491166) internal successors, (728998), 146098 states have internal predecessors, (728998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146099 states to 146099 states and 728998 transitions. [2022-03-01 16:31:57,949 INFO L78 Accepts]: Start accepts. Automaton has 146099 states and 728998 transitions. Word has length 40 [2022-03-01 16:31:57,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:31:57,949 INFO L470 AbstractCegarLoop]: Abstraction has 146099 states and 728998 transitions. [2022-03-01 16:31:57,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:31:57,950 INFO L276 IsEmpty]: Start isEmpty. Operand 146099 states and 728998 transitions. [2022-03-01 16:31:57,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-03-01 16:31:57,952 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:31:57,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:31:57,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-01 16:31:58,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-01 16:31:58,153 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:31:58,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:31:58,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1946298533, now seen corresponding path program 1 times [2022-03-01 16:31:58,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:31:58,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326376830] [2022-03-01 16:31:58,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:31:58,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:31:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:31:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:31:58,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:31:58,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326376830] [2022-03-01 16:31:58,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326376830] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-01 16:31:58,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-01 16:31:58,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-01 16:31:58,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322235695] [2022-03-01 16:31:58,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-01 16:31:58,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-01 16:31:58,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:31:58,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-01 16:31:58,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:31:58,186 INFO L87 Difference]: Start difference. First operand 146099 states and 728998 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:32:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:32:02,270 INFO L93 Difference]: Finished difference Result 269633 states and 1262365 transitions. [2022-03-01 16:32:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-01 16:32:02,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-03-01 16:32:02,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:32:05,877 INFO L225 Difference]: With dead ends: 269633 [2022-03-01 16:32:05,878 INFO L226 Difference]: Without dead ends: 269633 [2022-03-01 16:32:05,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-01 16:32:05,878 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 67 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:32:05,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 148 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:32:06,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269633 states. [2022-03-01 16:32:16,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269633 to 218185. [2022-03-01 16:32:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218185 states, 218169 states have (on average 4.739898885726203) internal successors, (1034099), 218184 states have internal predecessors, (1034099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:32:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218185 states to 218185 states and 1034099 transitions. [2022-03-01 16:32:18,915 INFO L78 Accepts]: Start accepts. Automaton has 218185 states and 1034099 transitions. Word has length 51 [2022-03-01 16:32:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:32:18,915 INFO L470 AbstractCegarLoop]: Abstraction has 218185 states and 1034099 transitions. [2022-03-01 16:32:18,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:32:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 218185 states and 1034099 transitions. [2022-03-01 16:32:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-03-01 16:32:18,919 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:32:18,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-01 16:32:18,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-01 16:32:18,919 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:32:18,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:32:18,919 INFO L85 PathProgramCache]: Analyzing trace with hash -519877040, now seen corresponding path program 1 times [2022-03-01 16:32:18,919 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:32:18,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251297282] [2022-03-01 16:32:18,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:32:18,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:32:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:32:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:32:18,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 16:32:18,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251297282] [2022-03-01 16:32:18,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251297282] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 16:32:18,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906483687] [2022-03-01 16:32:18,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:32:18,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 16:32:18,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 16:32:18,952 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 16:32:18,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 16:32:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 16:32:19,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-01 16:32:19,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 16:32:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:32:19,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 16:32:19,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-01 16:32:19,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906483687] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 16:32:19,218 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 16:32:19,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-01 16:32:19,218 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511772512] [2022-03-01 16:32:19,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 16:32:19,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-01 16:32:19,219 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 16:32:19,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-01 16:32:19,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-03-01 16:32:19,219 INFO L87 Difference]: Start difference. First operand 218185 states and 1034099 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:32:22,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-01 16:32:22,815 INFO L93 Difference]: Finished difference Result 217981 states and 1033363 transitions. [2022-03-01 16:32:22,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-01 16:32:22,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-03-01 16:32:22,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-01 16:32:25,794 INFO L225 Difference]: With dead ends: 217981 [2022-03-01 16:32:25,794 INFO L226 Difference]: Without dead ends: 217981 [2022-03-01 16:32:25,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-03-01 16:32:25,796 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 204 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-01 16:32:25,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 526 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-01 16:32:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217981 states. [2022-03-01 16:32:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217981 to 217981. [2022-03-01 16:32:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217981 states, 217965 states have (on average 4.74095841075402) internal successors, (1033363), 217980 states have internal predecessors, (1033363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:32:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217981 states to 217981 states and 1033363 transitions. [2022-03-01 16:32:36,640 INFO L78 Accepts]: Start accepts. Automaton has 217981 states and 1033363 transitions. Word has length 54 [2022-03-01 16:32:36,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-01 16:32:36,640 INFO L470 AbstractCegarLoop]: Abstraction has 217981 states and 1033363 transitions. [2022-03-01 16:32:36,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-01 16:32:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 217981 states and 1033363 transitions. [2022-03-01 16:32:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-03-01 16:32:36,797 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 16:32:36,797 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2022-03-01 16:32:36,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 16:32:37,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-03-01 16:32:37,013 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 16:32:37,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 16:32:37,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1415162462, now seen corresponding path program 1 times [2022-03-01 16:32:37,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 16:32:37,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256916980] [2022-03-01 16:32:37,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 16:32:37,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 16:32:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:32:37,052 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 16:32:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 16:32:37,075 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 16:32:37,075 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 16:32:37,075 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-03-01 16:32:37,075 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-03-01 16:32:37,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-01 16:32:37,076 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-03-01 16:32:37,076 WARN L235 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-01 16:32:37,076 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,087 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,088 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,090 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,091 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,092 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,092 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,094 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,095 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,096 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,097 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe salethreadThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,098 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,099 WARN L322 ript$VariableManager]: TermVariabe salethreadThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe salethreadThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe |salethreadThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,100 WARN L322 ript$VariableManager]: TermVariabe salethreadThread5of5ForFork0_~_numberOfSeatsSold~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-01 16:32:37,103 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-03-01 16:32:37,104 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 16:32:37,104 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 16:32:37,105 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 16:32:37,107 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 110 places, 117 transitions, 294 flow