/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-wmm/mix030_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-08 23:53:22,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-08 23:53:22,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-08 23:53:22,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-08 23:53:23,020 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 [2022-02-08 23:53:23,033 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-08 23:53:23,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-08 23:53:23,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-08 23:53:23,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-08 23:53:23,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-08 23:53:23,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-08 23:53:23,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-08 23:53:23,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-08 23:53:23,035 INFO L138 SettingsManager]: * Use SBE=true [2022-02-08 23:53:23,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-08 23:53:23,035 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-08 23:53:23,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-08 23:53:23,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-08 23:53:23,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-08 23:53:23,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-08 23:53:23,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-08 23:53:23,037 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-08 23:53:23,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-08 23:53:23,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-08 23:53:23,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-08 23:53:23,257 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-08 23:53:23,258 INFO L275 PluginConnector]: CDTParser initialized [2022-02-08 23:53:23,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2022-02-08 23:53:23,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57eb2112/6bca83b41991417e9d0c4eff430d29d7/FLAGa062d4701 [2022-02-08 23:53:23,739 INFO L306 CDTParser]: Found 1 translation units. [2022-02-08 23:53:23,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_power.opt_pso.opt_rmo.opt.i [2022-02-08 23:53:23,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57eb2112/6bca83b41991417e9d0c4eff430d29d7/FLAGa062d4701 [2022-02-08 23:53:24,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b57eb2112/6bca83b41991417e9d0c4eff430d29d7 [2022-02-08 23:53:24,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-08 23:53:24,111 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-08 23:53:24,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-08 23:53:24,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-08 23:53:24,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-08 23:53:24,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519d6724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24, skipping insertion in model container [2022-02-08 23:53:24,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-08 23:53:24,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-08 23:53:24,394 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-wmm/mix030_power.opt_pso.opt_rmo.opt.i[966,979] [2022-02-08 23:53:24,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-08 23:53:24,584 INFO L203 MainTranslator]: Completed pre-run [2022-02-08 23:53:24,596 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-wmm/mix030_power.opt_pso.opt_rmo.opt.i[966,979] [2022-02-08 23:53:24,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-08 23:53:24,690 INFO L208 MainTranslator]: Completed translation [2022-02-08 23:53:24,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24 WrapperNode [2022-02-08 23:53:24,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-08 23:53:24,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-08 23:53:24,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-08 23:53:24,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-08 23:53:24,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,754 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 290 [2022-02-08 23:53:24,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-08 23:53:24,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-08 23:53:24,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-08 23:53:24,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-08 23:53:24,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-08 23:53:24,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-08 23:53:24,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-08 23:53:24,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-08 23:53:24,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (1/1) ... [2022-02-08 23:53:24,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-08 23:53:24,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-08 23:53:24,843 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) [2022-02-08 23:53:24,883 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 [2022-02-08 23:53:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-08 23:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-08 23:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-08 23:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-08 23:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-08 23:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-08 23:53:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-08 23:53:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-08 23:53:24,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-08 23:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-08 23:53:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-08 23:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-02-08 23:53:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-02-08 23:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-08 23:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-08 23:53:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-08 23:53:24,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-08 23:53:24,907 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-08 23:53:25,037 INFO L234 CfgBuilder]: Building ICFG [2022-02-08 23:53:25,038 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-08 23:53:25,382 INFO L275 CfgBuilder]: Performing block encoding [2022-02-08 23:53:25,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-08 23:53:25,592 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-08 23:53:25,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.02 11:53:25 BoogieIcfgContainer [2022-02-08 23:53:25,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-08 23:53:25,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-08 23:53:25,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-08 23:53:25,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-08 23:53:25,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 11:53:24" (1/3) ... [2022-02-08 23:53:25,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab46ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:53:25, skipping insertion in model container [2022-02-08 23:53:25,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 11:53:24" (2/3) ... [2022-02-08 23:53:25,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab46ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 11:53:25, skipping insertion in model container [2022-02-08 23:53:25,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.02 11:53:25" (3/3) ... [2022-02-08 23:53:25,600 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_power.opt_pso.opt_rmo.opt.i [2022-02-08 23:53:25,604 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-08 23:53:25,604 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-08 23:53:25,604 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-08 23:53:25,604 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-08 23:53:25,644 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,644 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,644 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,645 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,650 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,650 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,650 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,650 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,652 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,652 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,652 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,652 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,660 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,662 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,662 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,663 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,664 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,664 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,665 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,667 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,671 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,676 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,676 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,676 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,676 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,676 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,678 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,678 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,678 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,678 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,678 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,678 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,679 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,680 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,680 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,680 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,682 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-08 23:53:25,682 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-08 23:53:25,721 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-08 23:53:25,730 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 [2022-02-08 23:53:25,731 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-08 23:53:25,742 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 135 transitions, 290 flow [2022-02-08 23:53:29,772 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112879 states, 112876 states have (on average 4.442246358836245) internal successors, (501423), 112878 states have internal predecessors, (501423), 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) [2022-02-08 23:53:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 112879 states, 112876 states have (on average 4.442246358836245) internal successors, (501423), 112878 states have internal predecessors, (501423), 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) [2022-02-08 23:53:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-02-08 23:53:30,057 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:53:30,058 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:53:30,062 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:53:30,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:53:30,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1442612500, now seen corresponding path program 1 times [2022-02-08 23:53:30,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:53:30,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421090522] [2022-02-08 23:53:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:53:30,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:53:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:53:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:53:30,319 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:53:30,319 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421090522] [2022-02-08 23:53:30,319 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421090522] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:53:30,320 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:53:30,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-08 23:53:30,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184308091] [2022-02-08 23:53:30,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:53:30,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-08 23:53:30,324 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:53:30,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-08 23:53:30,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-08 23:53:30,609 INFO L87 Difference]: Start difference. First operand has 112879 states, 112876 states have (on average 4.442246358836245) internal successors, (501423), 112878 states have internal predecessors, (501423), 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 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-02-08 23:53:32,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:53:32,953 INFO L93 Difference]: Finished difference Result 94343 states and 411076 transitions. [2022-02-08 23:53:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-08 23:53:32,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 62 [2022-02-08 23:53:32,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:53:34,038 INFO L225 Difference]: With dead ends: 94343 [2022-02-08 23:53:34,039 INFO L226 Difference]: Without dead ends: 76199 [2022-02-08 23:53:34,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-08 23:53:34,043 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 56 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:53:34,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 193 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:53:34,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76199 states. [2022-02-08 23:53:38,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76199 to 76199. [2022-02-08 23:53:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76199 states, 76198 states have (on average 4.393711121026799) internal successors, (334792), 76198 states have internal predecessors, (334792), 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) [2022-02-08 23:53:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76199 states to 76199 states and 334792 transitions. [2022-02-08 23:53:39,414 INFO L78 Accepts]: Start accepts. Automaton has 76199 states and 334792 transitions. Word has length 62 [2022-02-08 23:53:39,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:53:39,416 INFO L470 AbstractCegarLoop]: Abstraction has 76199 states and 334792 transitions. [2022-02-08 23:53:39,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-02-08 23:53:39,417 INFO L276 IsEmpty]: Start isEmpty. Operand 76199 states and 334792 transitions. [2022-02-08 23:53:39,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-02-08 23:53:39,579 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:53:39,579 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:53:39,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-08 23:53:39,580 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:53:39,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:53:39,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1620607474, now seen corresponding path program 1 times [2022-02-08 23:53:39,581 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:53:39,581 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010610009] [2022-02-08 23:53:39,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:53:39,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:53:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:53:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:53:39,787 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:53:39,787 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010610009] [2022-02-08 23:53:39,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010610009] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:53:39,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:53:39,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-08 23:53:39,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175051243] [2022-02-08 23:53:39,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:53:39,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-08 23:53:39,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:53:39,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-08 23:53:39,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-08 23:53:39,790 INFO L87 Difference]: Start difference. First operand 76199 states and 334792 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2022-02-08 23:53:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:53:41,289 INFO L93 Difference]: Finished difference Result 94007 states and 410606 transitions. [2022-02-08 23:53:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-08 23:53:41,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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 84 [2022-02-08 23:53:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:53:41,823 INFO L225 Difference]: With dead ends: 94007 [2022-02-08 23:53:41,824 INFO L226 Difference]: Without dead ends: 73847 [2022-02-08 23:53:41,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-08 23:53:41,825 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 167 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:53:41,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 683 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:53:41,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73847 states. [2022-02-08 23:53:44,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73847 to 73847. [2022-02-08 23:53:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73847 states, 73846 states have (on average 4.3829320477751) internal successors, (323662), 73846 states have internal predecessors, (323662), 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) [2022-02-08 23:53:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73847 states to 73847 states and 323662 transitions. [2022-02-08 23:53:45,280 INFO L78 Accepts]: Start accepts. Automaton has 73847 states and 323662 transitions. Word has length 84 [2022-02-08 23:53:45,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:53:45,281 INFO L470 AbstractCegarLoop]: Abstraction has 73847 states and 323662 transitions. [2022-02-08 23:53:45,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2022-02-08 23:53:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 73847 states and 323662 transitions. [2022-02-08 23:53:45,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-02-08 23:53:45,383 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:53:45,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:53:45,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-08 23:53:45,383 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:53:45,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:53:45,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1148753037, now seen corresponding path program 1 times [2022-02-08 23:53:45,384 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:53:45,384 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919772771] [2022-02-08 23:53:45,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:53:45,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:53:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:53:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:53:45,635 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:53:45,635 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919772771] [2022-02-08 23:53:45,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919772771] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:53:45,635 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:53:45,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-08 23:53:45,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012724514] [2022-02-08 23:53:45,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:53:45,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-08 23:53:45,636 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:53:45,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-08 23:53:45,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-08 23:53:45,636 INFO L87 Difference]: Start difference. First operand 73847 states and 323662 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 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) [2022-02-08 23:53:47,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:53:47,190 INFO L93 Difference]: Finished difference Result 88855 states and 387346 transitions. [2022-02-08 23:53:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-08 23:53:47,191 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 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 86 [2022-02-08 23:53:47,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:53:48,040 INFO L225 Difference]: With dead ends: 88855 [2022-02-08 23:53:48,040 INFO L226 Difference]: Without dead ends: 73175 [2022-02-08 23:53:48,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-02-08 23:53:48,041 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 374 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:53:48,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [374 Valid, 886 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:53:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73175 states. [2022-02-08 23:53:50,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73175 to 72965. [2022-02-08 23:53:51,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72965 states, 72964 states have (on average 4.37719971492791) internal successors, (319378), 72964 states have internal predecessors, (319378), 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) [2022-02-08 23:53:52,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72965 states to 72965 states and 319378 transitions. [2022-02-08 23:53:52,020 INFO L78 Accepts]: Start accepts. Automaton has 72965 states and 319378 transitions. Word has length 86 [2022-02-08 23:53:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:53:52,021 INFO L470 AbstractCegarLoop]: Abstraction has 72965 states and 319378 transitions. [2022-02-08 23:53:52,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 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) [2022-02-08 23:53:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 72965 states and 319378 transitions. [2022-02-08 23:53:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-02-08 23:53:52,143 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:53:52,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:53:52,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-08 23:53:52,159 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:53:52,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:53:52,160 INFO L85 PathProgramCache]: Analyzing trace with hash -264522579, now seen corresponding path program 1 times [2022-02-08 23:53:52,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:53:52,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752786133] [2022-02-08 23:53:52,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:53:52,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:53:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:53:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:53:52,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:53:52,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752786133] [2022-02-08 23:53:52,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752786133] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:53:52,299 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:53:52,299 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-08 23:53:52,299 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744730119] [2022-02-08 23:53:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:53:52,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-08 23:53:52,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:53:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-08 23:53:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-08 23:53:52,301 INFO L87 Difference]: Start difference. First operand 72965 states and 319378 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2022-02-08 23:53:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:53:53,571 INFO L93 Difference]: Finished difference Result 87245 states and 379232 transitions. [2022-02-08 23:53:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-08 23:53:53,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 87 [2022-02-08 23:53:53,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:53:54,300 INFO L225 Difference]: With dead ends: 87245 [2022-02-08 23:53:54,301 INFO L226 Difference]: Without dead ends: 70445 [2022-02-08 23:53:54,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-08 23:53:54,308 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 172 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:53:54,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 679 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:53:54,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70445 states. [2022-02-08 23:53:56,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70445 to 70445. [2022-02-08 23:53:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70445 states, 70444 states have (on average 4.365055930952246) internal successors, (307492), 70444 states have internal predecessors, (307492), 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) [2022-02-08 23:53:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70445 states to 70445 states and 307492 transitions. [2022-02-08 23:53:57,394 INFO L78 Accepts]: Start accepts. Automaton has 70445 states and 307492 transitions. Word has length 87 [2022-02-08 23:53:57,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:53:57,394 INFO L470 AbstractCegarLoop]: Abstraction has 70445 states and 307492 transitions. [2022-02-08 23:53:57,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2022-02-08 23:53:57,394 INFO L276 IsEmpty]: Start isEmpty. Operand 70445 states and 307492 transitions. [2022-02-08 23:53:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-02-08 23:53:57,537 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:53:57,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:53:57,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-08 23:53:57,537 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:53:57,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:53:57,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1298584347, now seen corresponding path program 1 times [2022-02-08 23:53:57,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:53:57,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350899359] [2022-02-08 23:53:57,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:53:57,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:53:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:53:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:53:57,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:53:57,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350899359] [2022-02-08 23:53:57,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350899359] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:53:57,624 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:53:57,624 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-08 23:53:57,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650792561] [2022-02-08 23:53:57,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:53:57,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-08 23:53:57,625 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:53:57,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-08 23:53:57,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-08 23:53:57,625 INFO L87 Difference]: Start difference. First operand 70445 states and 307492 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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) [2022-02-08 23:53:59,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:53:59,087 INFO L93 Difference]: Finished difference Result 79805 states and 346130 transitions. [2022-02-08 23:53:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-08 23:53:59,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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 89 [2022-02-08 23:53:59,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:53:59,798 INFO L225 Difference]: With dead ends: 79805 [2022-02-08 23:53:59,798 INFO L226 Difference]: Without dead ends: 64355 [2022-02-08 23:53:59,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-08 23:53:59,816 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 174 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:53:59,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 652 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:00,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64355 states. [2022-02-08 23:54:02,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64355 to 64355. [2022-02-08 23:54:02,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64355 states, 64354 states have (on average 4.3500015539049635) internal successors, (279940), 64354 states have internal predecessors, (279940), 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) [2022-02-08 23:54:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64355 states to 64355 states and 279940 transitions. [2022-02-08 23:54:03,516 INFO L78 Accepts]: Start accepts. Automaton has 64355 states and 279940 transitions. Word has length 89 [2022-02-08 23:54:03,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:03,516 INFO L470 AbstractCegarLoop]: Abstraction has 64355 states and 279940 transitions. [2022-02-08 23:54:03,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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) [2022-02-08 23:54:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 64355 states and 279940 transitions. [2022-02-08 23:54:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-02-08 23:54:03,697 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:03,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:03,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-08 23:54:03,698 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:03,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash -531424835, now seen corresponding path program 1 times [2022-02-08 23:54:03,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:03,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461611422] [2022-02-08 23:54:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:03,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:03,927 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:03,927 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461611422] [2022-02-08 23:54:03,927 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461611422] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:03,927 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:03,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-08 23:54:03,927 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915929023] [2022-02-08 23:54:03,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:03,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-08 23:54:03,927 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-08 23:54:03,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-08 23:54:03,930 INFO L87 Difference]: Start difference. First operand 64355 states and 279940 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) [2022-02-08 23:54:05,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:05,006 INFO L93 Difference]: Finished difference Result 71775 states and 310506 transitions. [2022-02-08 23:54:05,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-08 23:54:05,006 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 90 [2022-02-08 23:54:05,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:05,403 INFO L225 Difference]: With dead ends: 71775 [2022-02-08 23:54:05,404 INFO L226 Difference]: Without dead ends: 63375 [2022-02-08 23:54:05,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-02-08 23:54:05,404 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 368 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:05,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 1063 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-08 23:54:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63375 states. [2022-02-08 23:54:08,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63375 to 63375. [2022-02-08 23:54:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63375 states, 63374 states have (on average 4.340833780414681) internal successors, (275096), 63374 states have internal predecessors, (275096), 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) [2022-02-08 23:54:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63375 states to 63375 states and 275096 transitions. [2022-02-08 23:54:09,219 INFO L78 Accepts]: Start accepts. Automaton has 63375 states and 275096 transitions. Word has length 90 [2022-02-08 23:54:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:09,220 INFO L470 AbstractCegarLoop]: Abstraction has 63375 states and 275096 transitions. [2022-02-08 23:54:09,220 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) [2022-02-08 23:54:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 63375 states and 275096 transitions. [2022-02-08 23:54:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-08 23:54:09,348 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:09,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:09,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-08 23:54:09,349 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:09,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:09,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1701769900, now seen corresponding path program 1 times [2022-02-08 23:54:09,349 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:09,349 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067384496] [2022-02-08 23:54:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:09,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:09,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:09,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067384496] [2022-02-08 23:54:09,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067384496] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:09,823 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:09,823 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-08 23:54:09,823 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348313914] [2022-02-08 23:54:09,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:09,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-08 23:54:09,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:09,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-08 23:54:09,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-02-08 23:54:09,824 INFO L87 Difference]: Start difference. First operand 63375 states and 275096 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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) [2022-02-08 23:54:10,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:10,867 INFO L93 Difference]: Finished difference Result 73603 states and 318156 transitions. [2022-02-08 23:54:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-08 23:54:10,867 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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 91 [2022-02-08 23:54:10,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:11,249 INFO L225 Difference]: With dead ends: 73603 [2022-02-08 23:54:11,249 INFO L226 Difference]: Without dead ends: 62003 [2022-02-08 23:54:11,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2022-02-08 23:54:11,250 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 324 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:11,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [324 Valid, 1171 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-08 23:54:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62003 states. [2022-02-08 23:54:13,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62003 to 62003. [2022-02-08 23:54:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62003 states, 62002 states have (on average 4.342537337505242) internal successors, (269246), 62002 states have internal predecessors, (269246), 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) [2022-02-08 23:54:14,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62003 states to 62003 states and 269246 transitions. [2022-02-08 23:54:14,341 INFO L78 Accepts]: Start accepts. Automaton has 62003 states and 269246 transitions. Word has length 91 [2022-02-08 23:54:14,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:14,342 INFO L470 AbstractCegarLoop]: Abstraction has 62003 states and 269246 transitions. [2022-02-08 23:54:14,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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) [2022-02-08 23:54:14,342 INFO L276 IsEmpty]: Start isEmpty. Operand 62003 states and 269246 transitions. [2022-02-08 23:54:14,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-08 23:54:14,573 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:14,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:14,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-08 23:54:14,580 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:14,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:14,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1470385595, now seen corresponding path program 1 times [2022-02-08 23:54:14,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:14,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850861771] [2022-02-08 23:54:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:14,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:14,808 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:14,808 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850861771] [2022-02-08 23:54:14,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850861771] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:14,809 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:14,809 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-08 23:54:14,809 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572326395] [2022-02-08 23:54:14,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:14,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-08 23:54:14,810 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:14,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-08 23:54:14,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-08 23:54:14,810 INFO L87 Difference]: Start difference. First operand 62003 states and 269246 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2022-02-08 23:54:15,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:15,911 INFO L93 Difference]: Finished difference Result 70753 states and 306426 transitions. [2022-02-08 23:54:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-08 23:54:15,912 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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 92 [2022-02-08 23:54:15,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:16,245 INFO L225 Difference]: With dead ends: 70753 [2022-02-08 23:54:16,246 INFO L226 Difference]: Without dead ends: 64173 [2022-02-08 23:54:16,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2022-02-08 23:54:16,248 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 309 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:16,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 1474 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-08 23:54:16,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64173 states. [2022-02-08 23:54:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64173 to 64173. [2022-02-08 23:54:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64173 states, 64172 states have (on average 4.349685220968647) internal successors, (279128), 64172 states have internal predecessors, (279128), 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) [2022-02-08 23:54:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64173 states to 64173 states and 279128 transitions. [2022-02-08 23:54:19,034 INFO L78 Accepts]: Start accepts. Automaton has 64173 states and 279128 transitions. Word has length 92 [2022-02-08 23:54:19,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:19,034 INFO L470 AbstractCegarLoop]: Abstraction has 64173 states and 279128 transitions. [2022-02-08 23:54:19,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2022-02-08 23:54:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 64173 states and 279128 transitions. [2022-02-08 23:54:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-02-08 23:54:19,566 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:19,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:19,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-08 23:54:19,567 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:19,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash -2051877815, now seen corresponding path program 2 times [2022-02-08 23:54:19,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:19,567 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931402888] [2022-02-08 23:54:19,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:19,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:19,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:19,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931402888] [2022-02-08 23:54:19,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931402888] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:19,723 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:19,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-08 23:54:19,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034069180] [2022-02-08 23:54:19,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:19,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-08 23:54:19,724 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:19,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-08 23:54:19,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-02-08 23:54:19,725 INFO L87 Difference]: Start difference. First operand 64173 states and 279128 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 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) [2022-02-08 23:54:20,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:20,760 INFO L93 Difference]: Finished difference Result 76605 states and 331910 transitions. [2022-02-08 23:54:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-08 23:54:20,760 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 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 92 [2022-02-08 23:54:20,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:21,177 INFO L225 Difference]: With dead ends: 76605 [2022-02-08 23:54:21,177 INFO L226 Difference]: Without dead ends: 69185 [2022-02-08 23:54:21,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-08 23:54:21,178 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 281 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:21,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 1028 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:21,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69185 states. [2022-02-08 23:54:23,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69185 to 66007. [2022-02-08 23:54:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66007 states, 66006 states have (on average 4.344695936733024) internal successors, (286776), 66006 states have internal predecessors, (286776), 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) [2022-02-08 23:54:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66007 states to 66007 states and 286776 transitions. [2022-02-08 23:54:24,725 INFO L78 Accepts]: Start accepts. Automaton has 66007 states and 286776 transitions. Word has length 92 [2022-02-08 23:54:24,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:24,725 INFO L470 AbstractCegarLoop]: Abstraction has 66007 states and 286776 transitions. [2022-02-08 23:54:24,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 9 states have internal predecessors, (92), 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) [2022-02-08 23:54:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 66007 states and 286776 transitions. [2022-02-08 23:54:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-08 23:54:24,895 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:24,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:24,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-08 23:54:24,895 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:24,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:24,895 INFO L85 PathProgramCache]: Analyzing trace with hash 542739691, now seen corresponding path program 1 times [2022-02-08 23:54:24,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:24,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900672648] [2022-02-08 23:54:24,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:24,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:25,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:25,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900672648] [2022-02-08 23:54:25,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900672648] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:25,516 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:25,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-02-08 23:54:25,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941961676] [2022-02-08 23:54:25,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:25,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-08 23:54:25,516 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:25,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-08 23:54:25,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-02-08 23:54:25,517 INFO L87 Difference]: Start difference. First operand 66007 states and 286776 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2022-02-08 23:54:26,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:26,784 INFO L93 Difference]: Finished difference Result 105291 states and 451999 transitions. [2022-02-08 23:54:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-08 23:54:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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 93 [2022-02-08 23:54:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:27,837 INFO L225 Difference]: With dead ends: 105291 [2022-02-08 23:54:27,837 INFO L226 Difference]: Without dead ends: 99131 [2022-02-08 23:54:27,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-02-08 23:54:27,839 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 404 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:27,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 1016 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:28,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99131 states. [2022-02-08 23:54:30,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99131 to 76297. [2022-02-08 23:54:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76297 states, 76296 states have (on average 4.344080947887177) internal successors, (331436), 76296 states have internal predecessors, (331436), 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) [2022-02-08 23:54:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76297 states to 76297 states and 331436 transitions. [2022-02-08 23:54:31,394 INFO L78 Accepts]: Start accepts. Automaton has 76297 states and 331436 transitions. Word has length 93 [2022-02-08 23:54:31,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:31,394 INFO L470 AbstractCegarLoop]: Abstraction has 76297 states and 331436 transitions. [2022-02-08 23:54:31,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 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) [2022-02-08 23:54:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 76297 states and 331436 transitions. [2022-02-08 23:54:32,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-08 23:54:32,000 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:32,001 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:32,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-08 23:54:32,001 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:32,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:32,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1315443577, now seen corresponding path program 2 times [2022-02-08 23:54:32,002 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:32,002 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678281048] [2022-02-08 23:54:32,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:32,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:32,244 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:32,244 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678281048] [2022-02-08 23:54:32,244 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678281048] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:32,244 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:32,244 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-02-08 23:54:32,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412572910] [2022-02-08 23:54:32,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:32,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-08 23:54:32,245 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:32,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-08 23:54:32,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-02-08 23:54:32,246 INFO L87 Difference]: Start difference. First operand 76297 states and 331436 transitions. Second operand has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 14 states have internal predecessors, (93), 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) [2022-02-08 23:54:33,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:33,651 INFO L93 Difference]: Finished difference Result 86783 states and 375354 transitions. [2022-02-08 23:54:33,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-08 23:54:33,651 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 14 states have internal predecessors, (93), 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 93 [2022-02-08 23:54:33,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:34,600 INFO L225 Difference]: With dead ends: 86783 [2022-02-08 23:54:34,600 INFO L226 Difference]: Without dead ends: 79783 [2022-02-08 23:54:34,600 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2022-02-08 23:54:34,601 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 397 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:34,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [397 Valid, 1240 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-08 23:54:34,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79783 states. [2022-02-08 23:54:36,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79783 to 72811. [2022-02-08 23:54:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72811 states, 72810 states have (on average 4.349127867051229) internal successors, (316660), 72810 states have internal predecessors, (316660), 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) [2022-02-08 23:54:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72811 states to 72811 states and 316660 transitions. [2022-02-08 23:54:37,679 INFO L78 Accepts]: Start accepts. Automaton has 72811 states and 316660 transitions. Word has length 93 [2022-02-08 23:54:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:37,679 INFO L470 AbstractCegarLoop]: Abstraction has 72811 states and 316660 transitions. [2022-02-08 23:54:37,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 14 states have internal predecessors, (93), 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) [2022-02-08 23:54:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 72811 states and 316660 transitions. [2022-02-08 23:54:37,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-08 23:54:37,875 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:37,875 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:37,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-08 23:54:37,875 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:37,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1656709931, now seen corresponding path program 1 times [2022-02-08 23:54:37,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:37,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387508610] [2022-02-08 23:54:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:37,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:37,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:37,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387508610] [2022-02-08 23:54:37,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387508610] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:37,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:37,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-08 23:54:37,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232232326] [2022-02-08 23:54:37,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:37,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-08 23:54:37,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:37,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-08 23:54:37,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-08 23:54:37,953 INFO L87 Difference]: Start difference. First operand 72811 states and 316660 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2022-02-08 23:54:39,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:39,522 INFO L93 Difference]: Finished difference Result 91883 states and 394969 transitions. [2022-02-08 23:54:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-08 23:54:39,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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 93 [2022-02-08 23:54:39,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:40,084 INFO L225 Difference]: With dead ends: 91883 [2022-02-08 23:54:40,085 INFO L226 Difference]: Without dead ends: 66193 [2022-02-08 23:54:40,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-08 23:54:40,086 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 230 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:40,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 492 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:40,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66193 states. [2022-02-08 23:54:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66193 to 66193. [2022-02-08 23:54:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66193 states, 66192 states have (on average 4.284052453468697) internal successors, (283570), 66192 states have internal predecessors, (283570), 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) [2022-02-08 23:54:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66193 states to 66193 states and 283570 transitions. [2022-02-08 23:54:43,127 INFO L78 Accepts]: Start accepts. Automaton has 66193 states and 283570 transitions. Word has length 93 [2022-02-08 23:54:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:43,128 INFO L470 AbstractCegarLoop]: Abstraction has 66193 states and 283570 transitions. [2022-02-08 23:54:43,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 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) [2022-02-08 23:54:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 66193 states and 283570 transitions. [2022-02-08 23:54:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-02-08 23:54:43,304 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:43,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:43,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-08 23:54:43,305 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:43,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:43,305 INFO L85 PathProgramCache]: Analyzing trace with hash 473078804, now seen corresponding path program 1 times [2022-02-08 23:54:43,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:43,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563815868] [2022-02-08 23:54:43,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:43,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:43,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:43,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563815868] [2022-02-08 23:54:43,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563815868] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:43,455 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:43,455 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-08 23:54:43,455 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131788797] [2022-02-08 23:54:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:43,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-08 23:54:43,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:43,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-08 23:54:43,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-08 23:54:43,456 INFO L87 Difference]: Start difference. First operand 66193 states and 283570 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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) [2022-02-08 23:54:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:44,714 INFO L93 Difference]: Finished difference Result 69346 states and 290499 transitions. [2022-02-08 23:54:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-08 23:54:44,715 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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 94 [2022-02-08 23:54:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:44,996 INFO L225 Difference]: With dead ends: 69346 [2022-02-08 23:54:44,996 INFO L226 Difference]: Without dead ends: 47416 [2022-02-08 23:54:44,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-02-08 23:54:44,997 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 390 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:44,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [390 Valid, 584 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-08 23:54:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47416 states. [2022-02-08 23:54:46,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47416 to 47416. [2022-02-08 23:54:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47416 states, 47415 states have (on average 4.132531899188021) internal successors, (195944), 47415 states have internal predecessors, (195944), 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) [2022-02-08 23:54:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47416 states to 47416 states and 195944 transitions. [2022-02-08 23:54:47,116 INFO L78 Accepts]: Start accepts. Automaton has 47416 states and 195944 transitions. Word has length 94 [2022-02-08 23:54:47,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:47,116 INFO L470 AbstractCegarLoop]: Abstraction has 47416 states and 195944 transitions. [2022-02-08 23:54:47,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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) [2022-02-08 23:54:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 47416 states and 195944 transitions. [2022-02-08 23:54:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-02-08 23:54:47,235 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:47,235 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:47,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-08 23:54:47,235 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:47,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:47,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1425984779, now seen corresponding path program 1 times [2022-02-08 23:54:47,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:47,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150667298] [2022-02-08 23:54:47,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:47,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:47,623 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:47,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150667298] [2022-02-08 23:54:47,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150667298] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:47,623 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:47,623 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-08 23:54:47,623 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292751319] [2022-02-08 23:54:47,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:47,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-08 23:54:47,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:47,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-08 23:54:47,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-08 23:54:47,624 INFO L87 Difference]: Start difference. First operand 47416 states and 195944 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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) [2022-02-08 23:54:48,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:48,570 INFO L93 Difference]: Finished difference Result 77187 states and 316003 transitions. [2022-02-08 23:54:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-08 23:54:48,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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 96 [2022-02-08 23:54:48,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:48,834 INFO L225 Difference]: With dead ends: 77187 [2022-02-08 23:54:48,835 INFO L226 Difference]: Without dead ends: 49180 [2022-02-08 23:54:48,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-08 23:54:48,835 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 139 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:48,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 849 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:48,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49180 states. [2022-02-08 23:54:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49180 to 45088. [2022-02-08 23:54:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45088 states, 45087 states have (on average 4.053807084081886) internal successors, (182774), 45087 states have internal predecessors, (182774), 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) [2022-02-08 23:54:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45088 states to 45088 states and 182774 transitions. [2022-02-08 23:54:50,915 INFO L78 Accepts]: Start accepts. Automaton has 45088 states and 182774 transitions. Word has length 96 [2022-02-08 23:54:50,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:50,915 INFO L470 AbstractCegarLoop]: Abstraction has 45088 states and 182774 transitions. [2022-02-08 23:54:50,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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) [2022-02-08 23:54:50,915 INFO L276 IsEmpty]: Start isEmpty. Operand 45088 states and 182774 transitions. [2022-02-08 23:54:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-02-08 23:54:51,023 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:51,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:51,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-08 23:54:51,023 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:51,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:51,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1892254694, now seen corresponding path program 1 times [2022-02-08 23:54:51,024 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:51,024 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113675154] [2022-02-08 23:54:51,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:51,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:51,128 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:51,128 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113675154] [2022-02-08 23:54:51,128 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113675154] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:51,128 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:51,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-08 23:54:51,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85622646] [2022-02-08 23:54:51,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:51,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-08 23:54:51,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:51,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-08 23:54:51,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-08 23:54:51,129 INFO L87 Difference]: Start difference. First operand 45088 states and 182774 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2022-02-08 23:54:51,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:51,979 INFO L93 Difference]: Finished difference Result 39445 states and 156638 transitions. [2022-02-08 23:54:51,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-08 23:54:51,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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 97 [2022-02-08 23:54:51,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:52,182 INFO L225 Difference]: With dead ends: 39445 [2022-02-08 23:54:52,182 INFO L226 Difference]: Without dead ends: 27295 [2022-02-08 23:54:52,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-02-08 23:54:52,185 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 487 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:52,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [487 Valid, 610 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:52,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27295 states. [2022-02-08 23:54:53,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27295 to 25031. [2022-02-08 23:54:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25031 states, 25030 states have (on average 3.9070315621254497) internal successors, (97793), 25030 states have internal predecessors, (97793), 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) [2022-02-08 23:54:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25031 states to 25031 states and 97793 transitions. [2022-02-08 23:54:53,193 INFO L78 Accepts]: Start accepts. Automaton has 25031 states and 97793 transitions. Word has length 97 [2022-02-08 23:54:53,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:53,194 INFO L470 AbstractCegarLoop]: Abstraction has 25031 states and 97793 transitions. [2022-02-08 23:54:53,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 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) [2022-02-08 23:54:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 25031 states and 97793 transitions. [2022-02-08 23:54:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-02-08 23:54:53,247 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:53,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:53,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-08 23:54:53,247 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:53,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:53,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1026013252, now seen corresponding path program 1 times [2022-02-08 23:54:53,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:53,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782130245] [2022-02-08 23:54:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:53,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:53,442 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:53,442 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782130245] [2022-02-08 23:54:53,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782130245] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:53,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:53,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-08 23:54:53,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289707366] [2022-02-08 23:54:53,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:53,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-08 23:54:53,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:53,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-08 23:54:53,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-08 23:54:53,444 INFO L87 Difference]: Start difference. First operand 25031 states and 97793 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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) [2022-02-08 23:54:53,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:53,826 INFO L93 Difference]: Finished difference Result 21116 states and 81998 transitions. [2022-02-08 23:54:53,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-08 23:54:53,827 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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 100 [2022-02-08 23:54:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:53,872 INFO L225 Difference]: With dead ends: 21116 [2022-02-08 23:54:53,872 INFO L226 Difference]: Without dead ends: 12584 [2022-02-08 23:54:53,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-02-08 23:54:53,873 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 543 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:53,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [543 Valid, 616 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-08 23:54:53,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12584 states. [2022-02-08 23:54:54,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12584 to 11912. [2022-02-08 23:54:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11912 states, 11911 states have (on average 3.8466123751154395) internal successors, (45817), 11911 states have internal predecessors, (45817), 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) [2022-02-08 23:54:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11912 states to 11912 states and 45817 transitions. [2022-02-08 23:54:54,462 INFO L78 Accepts]: Start accepts. Automaton has 11912 states and 45817 transitions. Word has length 100 [2022-02-08 23:54:54,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:54,462 INFO L470 AbstractCegarLoop]: Abstraction has 11912 states and 45817 transitions. [2022-02-08 23:54:54,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 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) [2022-02-08 23:54:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 11912 states and 45817 transitions. [2022-02-08 23:54:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-02-08 23:54:54,489 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:54,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:54,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-08 23:54:54,489 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:54,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:54,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1659155970, now seen corresponding path program 1 times [2022-02-08 23:54:54,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:54,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986294927] [2022-02-08 23:54:54,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:54,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:54,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:54,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986294927] [2022-02-08 23:54:54,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986294927] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:54,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:54,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-08 23:54:54,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504438726] [2022-02-08 23:54:54,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:54,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-08 23:54:54,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-08 23:54:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-08 23:54:54,675 INFO L87 Difference]: Start difference. First operand 11912 states and 45817 transitions. Second operand has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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) [2022-02-08 23:54:55,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:55,039 INFO L93 Difference]: Finished difference Result 19965 states and 77478 transitions. [2022-02-08 23:54:55,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-08 23:54:55,039 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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 104 [2022-02-08 23:54:55,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:55,066 INFO L225 Difference]: With dead ends: 19965 [2022-02-08 23:54:55,066 INFO L226 Difference]: Without dead ends: 7551 [2022-02-08 23:54:55,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-02-08 23:54:55,067 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 538 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:55,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [538 Valid, 1327 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:55,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7551 states. [2022-02-08 23:54:55,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7551 to 6471. [2022-02-08 23:54:55,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6471 states, 6470 states have (on average 3.7990726429675425) internal successors, (24580), 6470 states have internal predecessors, (24580), 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) [2022-02-08 23:54:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6471 states to 6471 states and 24580 transitions. [2022-02-08 23:54:55,399 INFO L78 Accepts]: Start accepts. Automaton has 6471 states and 24580 transitions. Word has length 104 [2022-02-08 23:54:55,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:55,399 INFO L470 AbstractCegarLoop]: Abstraction has 6471 states and 24580 transitions. [2022-02-08 23:54:55,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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) [2022-02-08 23:54:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 6471 states and 24580 transitions. [2022-02-08 23:54:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-02-08 23:54:55,411 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:55,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:55,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-08 23:54:55,412 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:55,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:55,412 INFO L85 PathProgramCache]: Analyzing trace with hash 542968608, now seen corresponding path program 2 times [2022-02-08 23:54:55,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:55,412 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065701088] [2022-02-08 23:54:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:55,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-08 23:54:55,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-08 23:54:55,679 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-08 23:54:55,679 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065701088] [2022-02-08 23:54:55,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065701088] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-08 23:54:55,680 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-08 23:54:55,680 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-02-08 23:54:55,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546957112] [2022-02-08 23:54:55,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-08 23:54:55,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-08 23:54:55,680 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-08 23:54:55,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-08 23:54:55,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-08 23:54:55,681 INFO L87 Difference]: Start difference. First operand 6471 states and 24580 transitions. Second operand has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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) [2022-02-08 23:54:55,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-08 23:54:55,954 INFO L93 Difference]: Finished difference Result 11571 states and 43640 transitions. [2022-02-08 23:54:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-08 23:54:55,954 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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 104 [2022-02-08 23:54:55,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-08 23:54:55,976 INFO L225 Difference]: With dead ends: 11571 [2022-02-08 23:54:55,976 INFO L226 Difference]: Without dead ends: 7742 [2022-02-08 23:54:55,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-02-08 23:54:55,977 INFO L933 BasicCegarLoop]: 192 mSDtfsCounter, 369 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-08 23:54:55,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 1299 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-08 23:54:55,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7742 states. [2022-02-08 23:54:56,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7742 to 5087. [2022-02-08 23:54:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5087 states, 5086 states have (on average 3.7506881635863154) internal successors, (19076), 5086 states have internal predecessors, (19076), 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) [2022-02-08 23:54:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 19076 transitions. [2022-02-08 23:54:56,105 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 19076 transitions. Word has length 104 [2022-02-08 23:54:56,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-08 23:54:56,105 INFO L470 AbstractCegarLoop]: Abstraction has 5087 states and 19076 transitions. [2022-02-08 23:54:56,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 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) [2022-02-08 23:54:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 19076 transitions. [2022-02-08 23:54:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-02-08 23:54:56,115 INFO L506 BasicCegarLoop]: Found error trace [2022-02-08 23:54:56,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:56,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-08 23:54:56,116 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-08 23:54:56,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-08 23:54:56,116 INFO L85 PathProgramCache]: Analyzing trace with hash 692962498, now seen corresponding path program 3 times [2022-02-08 23:54:56,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-08 23:54:56,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111408126] [2022-02-08 23:54:56,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-08 23:54:56,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-08 23:54:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-08 23:54:56,164 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-08 23:54:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-08 23:54:56,264 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-08 23:54:56,264 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-08 23:54:56,265 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-02-08 23:54:56,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-02-08 23:54:56,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-08 23:54:56,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-02-08 23:54:56,270 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-02-08 23:54:56,270 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2022-02-08 23:54:56,270 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-02-08 23:54:56,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-08 23:54:56,272 INFO L732 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-08 23:54:56,275 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-08 23:54:56,275 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-08 23:54:56,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 11:54:56 BasicIcfg [2022-02-08 23:54:56,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-08 23:54:56,393 INFO L158 Benchmark]: Toolchain (without parser) took 92281.94ms. Allocated memory was 177.2MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 122.7MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-08 23:54:56,393 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-08 23:54:56,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.17ms. Allocated memory was 177.2MB in the beginning and 246.4MB in the end (delta: 69.2MB). Free memory was 122.5MB in the beginning and 204.8MB in the end (delta: -82.4MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-02-08 23:54:56,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.23ms. Allocated memory is still 246.4MB. Free memory was 204.8MB in the beginning and 201.8MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-08 23:54:56,393 INFO L158 Benchmark]: Boogie Preprocessor took 47.44ms. Allocated memory is still 246.4MB. Free memory was 201.8MB in the beginning and 199.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-08 23:54:56,394 INFO L158 Benchmark]: RCFGBuilder took 790.93ms. Allocated memory is still 246.4MB. Free memory was 199.7MB in the beginning and 119.5MB in the end (delta: 80.2MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. [2022-02-08 23:54:56,394 INFO L158 Benchmark]: TraceAbstraction took 90796.79ms. Allocated memory was 246.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 119.0MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-02-08 23:54:56,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 571.17ms. Allocated memory was 177.2MB in the beginning and 246.4MB in the end (delta: 69.2MB). Free memory was 122.5MB in the beginning and 204.8MB in the end (delta: -82.4MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.23ms. Allocated memory is still 246.4MB. Free memory was 204.8MB in the beginning and 201.8MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.44ms. Allocated memory is still 246.4MB. Free memory was 201.8MB in the beginning and 199.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 790.93ms. Allocated memory is still 246.4MB. Free memory was 199.7MB in the beginning and 119.5MB in the end (delta: 80.2MB). Peak memory consumption was 79.7MB. Max. memory is 8.0GB. * TraceAbstraction took 90796.79ms. Allocated memory was 246.4MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 119.0MB in the beginning and 6.5GB in the end (delta: -6.4GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0] [L714] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L716] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L717] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L718] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L720] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L722] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L723] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L724] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L725] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L726] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L727] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L728] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L729] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0] [L730] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0] [L731] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L732] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L733] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L734] 0 _Bool y$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0] [L735] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0] [L736] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L737] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L738] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L739] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L740] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L742] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L743] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L744] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L844] 0 pthread_t t805; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t805={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] FCALL, FORK 0 pthread_create(&t805, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t805, ((void *)0), P0, ((void *)0))=-3, t805={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t806; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t805={5:0}, t806={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L847] FCALL, FORK 0 pthread_create(&t806, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t806, ((void *)0), P1, ((void *)0))=-2, t805={5:0}, t806={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t807; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t805={5:0}, t806={6:0}, t807={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L849] FCALL, FORK 0 pthread_create(&t807, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t807, ((void *)0), P2, ((void *)0))=-1, t805={5:0}, t806={6:0}, t807={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L783] 3 y$w_buff1 = y$w_buff0 [L784] 3 y$w_buff0 = 2 [L785] 3 y$w_buff1_used = y$w_buff0_used [L786] 3 y$w_buff0_used = (_Bool)1 [L787] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L787] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L788] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L789] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L790] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L791] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L792] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L793] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L850] 0 pthread_t t808; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t805={5:0}, t806={6:0}, t807={7:0}, t808={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L851] FCALL, FORK 0 pthread_create(&t808, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t808, ((void *)0), P3, ((void *)0))=0, t805={5:0}, t806={6:0}, t807={7:0}, t808={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L763] 2 x = 2 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L766] 2 y = 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L799] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L799] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L800] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L800] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L801] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L803] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L773] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L823] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L823] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L824] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L825] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L826] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t805={5:0}, t806={6:0}, t807={7:0}, t808={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L855] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L855] RET 0 assume_abort_if_not(main$tmp_guard0) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t805={5:0}, t806={6:0}, t807={7:0}, t808={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L879] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 171 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 90.6s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.4s, AutomataDifference: 29.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5722 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5722 mSDsluCounter, 15862 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13476 mSDsCounter, 345 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2616 IncrementalHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 345 mSolverCounterUnsat, 3216 mSDtfsCounter, 2616 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 229 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112879occurred in iteration=0, InterpolantAutomatonStates: 202, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 48.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 43957 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1751 NumberOfCodeBlocks, 1751 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1629 ConstructedInterpolants, 0 QuantifiedInterpolants, 8789 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-02-08 23:54:56,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...