/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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 08:17:14,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 08:17:14,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 08:17:14,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-25 08:17:14,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-25 08:17:14,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-25 08:17:14,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-25 08:17:14,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-25 08:17:14,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-25 08:17:14,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-25 08:17:14,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-25 08:17:14,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-10-25 08:17:14,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 08:17:14,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 08:17:14,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 08:17:14,835 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-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Random7777.epf [2021-10-25 08:17:14,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 08:17:14,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 08:17:14,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 08:17:14,861 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 08:17:14,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 08:17:14,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 08:17:14,862 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 08:17:14,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 08:17:14,863 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 08:17:14,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 08:17:14,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 08:17:14,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 08:17:14,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 08:17:14,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 08:17:14,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 08:17:14,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 08:17:14,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 08:17:14,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 08:17:14,866 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 [2021-10-25 08:17:14,866 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 08:17:15,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 08:17:15,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 08:17:15,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 08:17:15,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 08:17:15,107 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 08:17:15,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2021-10-25 08:17:15,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91b08350/7dbd8e5e1a5d42a18e349dfc4b643f3f/FLAG123f2ec0e [2021-10-25 08:17:15,586 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 08:17:15,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2021-10-25 08:17:15,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91b08350/7dbd8e5e1a5d42a18e349dfc4b643f3f/FLAG123f2ec0e [2021-10-25 08:17:15,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e91b08350/7dbd8e5e1a5d42a18e349dfc4b643f3f [2021-10-25 08:17:15,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 08:17:15,626 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 08:17:15,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 08:17:15,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 08:17:15,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 08:17:15,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:15,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5786685c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15, skipping insertion in model container [2021-10-25 08:17:15,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:15,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 08:17:15,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 08:17:15,884 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2021-10-25 08:17:15,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 08:17:15,892 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 08:17:15,945 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2021-10-25 08:17:15,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 08:17:15,975 INFO L208 MainTranslator]: Completed translation [2021-10-25 08:17:15,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15 WrapperNode [2021-10-25 08:17:15,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 08:17:15,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 08:17:15,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 08:17:15,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 08:17:15,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 08:17:16,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 08:17:16,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 08:17:16,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 08:17:16,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 08:17:16,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 08:17:16,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 08:17:16,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 08:17:16,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (1/1) ... [2021-10-25 08:17:16,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 08:17:16,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:16,087 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) [2021-10-25 08:17:16,103 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 [2021-10-25 08:17:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-10-25 08:17:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-10-25 08:17:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-10-25 08:17:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-10-25 08:17:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 08:17:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-25 08:17:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 08:17:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 08:17:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 08:17:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-25 08:17:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 08:17:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 08:17:16,147 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 08:17:16,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 08:17:16,413 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-25 08:17:16,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:17:16 BoogieIcfgContainer [2021-10-25 08:17:16,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 08:17:16,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 08:17:16,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 08:17:16,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 08:17:16,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:17:15" (1/3) ... [2021-10-25 08:17:16,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c44cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:17:16, skipping insertion in model container [2021-10-25 08:17:16,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:17:15" (2/3) ... [2021-10-25 08:17:16,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c44cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:17:16, skipping insertion in model container [2021-10-25 08:17:16,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:17:16" (3/3) ... [2021-10-25 08:17:16,438 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2021-10-25 08:17:16,442 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 08:17:16,442 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 08:17:16,442 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 08:17:16,442 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 08:17:16,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,473 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,473 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,475 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,475 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,475 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,477 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 08:17:16,486 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 08:17:16,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 08:17:16,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:16,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-25 08:17:16,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-25 08:17:16,586 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 08:17:16,592 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-10-25 08:17:16,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-25 08:17:16,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:16,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:16,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1338710779, now seen corresponding path program 1 times [2021-10-25 08:17:16,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:16,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27734687] [2021-10-25 08:17:16,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:16,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-25 08:17:16,930 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:16,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27734687] [2021-10-25 08:17:16,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27734687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 08:17:16,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 08:17:16,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 08:17:16,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617593005] [2021-10-25 08:17:16,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-25 08:17:16,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:16,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-25 08:17:16,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-25 08:17:16,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:16,958 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:16,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2021-10-25 08:17:16,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:16,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 08:17:16,992 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:16,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:16,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1115737583, now seen corresponding path program 1 times [2021-10-25 08:17:16,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:16,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477583511] [2021-10-25 08:17:16,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:16,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:17:17,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:17,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477583511] [2021-10-25 08:17:17,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477583511] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:17,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548056035] [2021-10-25 08:17:17,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:17,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:17,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:17,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:17,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 08:17:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:17,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-25 08:17:17,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:17:17,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548056035] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:17,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:17,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-25 08:17:17,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898446887] [2021-10-25 08:17:17,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 08:17:17,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 08:17:17,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-25 08:17:17,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:17,320 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:17,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-10-25 08:17:17,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:17,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:17,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:17,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:17,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-25 08:17:17,615 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:17,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:17,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1419941088, now seen corresponding path program 1 times [2021-10-25 08:17:17,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:17,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303674113] [2021-10-25 08:17:17,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:17,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:17,771 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:17,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:17,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303674113] [2021-10-25 08:17:17,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303674113] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:17,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100492457] [2021-10-25 08:17:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:17,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:17,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:17,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:17,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 08:17:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:17,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-25 08:17:17,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:18,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100492457] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:18,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:18,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-10-25 08:17:18,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216780040] [2021-10-25 08:17:18,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-25 08:17:18,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:18,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-25 08:17:18,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-25 08:17:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:18,276 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:18,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 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) [2021-10-25 08:17:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:18,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:17:18,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:18,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:18,690 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:18,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:18,691 INFO L82 PathProgramCache]: Analyzing trace with hash 30739915, now seen corresponding path program 1 times [2021-10-25 08:17:18,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:18,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050150178] [2021-10-25 08:17:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:18,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:18,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:18,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050150178] [2021-10-25 08:17:18,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050150178] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:18,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749944008] [2021-10-25 08:17:18,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:18,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:18,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:18,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:18,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 08:17:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:18,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-25 08:17:18,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:19,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749944008] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:19,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:19,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-10-25 08:17:19,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250113047] [2021-10-25 08:17:19,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-25 08:17:19,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:19,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-25 08:17:19,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-25 08:17:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:19,100 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:19,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 10 states have internal predecessors, (64), 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) [2021-10-25 08:17:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:17:19,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:17:19,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 08:17:19,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-25 08:17:19,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:19,429 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:19,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:19,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1845259884, now seen corresponding path program 2 times [2021-10-25 08:17:19,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:19,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974218038] [2021-10-25 08:17:19,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:19,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:19,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:19,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974218038] [2021-10-25 08:17:19,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974218038] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:19,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121804722] [2021-10-25 08:17:19,597 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 08:17:19,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:19,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:19,598 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:19,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 08:17:19,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 08:17:19,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:19,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 08:17:19,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:19,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121804722] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:19,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:19,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-25 08:17:19,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93735275] [2021-10-25 08:17:19,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-25 08:17:19,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:19,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-25 08:17:19,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-10-25 08:17:19,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:19,969 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:19,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 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) [2021-10-25 08:17:19,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:17:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 08:17:19,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:17:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 08:17:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:20,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-25 08:17:20,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:20,385 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:20,385 INFO L82 PathProgramCache]: Analyzing trace with hash 800763421, now seen corresponding path program 3 times [2021-10-25 08:17:20,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:20,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434203817] [2021-10-25 08:17:20,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:20,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 65 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 08:17:20,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:20,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434203817] [2021-10-25 08:17:20,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434203817] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:20,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270586305] [2021-10-25 08:17:20,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 08:17:20,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:20,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:20,524 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:20,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 08:17:20,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-10-25 08:17:20,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:20,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-25 08:17:20,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:21,102 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:21,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270586305] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:21,103 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:21,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-10-25 08:17:21,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899483453] [2021-10-25 08:17:21,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-25 08:17:21,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:21,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-25 08:17:21,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2021-10-25 08:17:21,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:21,104 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:21,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.333333333333333) internal successors, (152), 24 states have internal predecessors, (152), 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) [2021-10-25 08:17:21,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:21,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:21,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-25 08:17:21,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 08:17:21,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:21,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:22,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:22,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:22,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 08:17:22,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:22,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-25 08:17:22,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:22,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:22,400 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:22,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:22,401 INFO L82 PathProgramCache]: Analyzing trace with hash 808665142, now seen corresponding path program 4 times [2021-10-25 08:17:22,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:22,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111486681] [2021-10-25 08:17:22,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:22,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-25 08:17:22,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:22,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111486681] [2021-10-25 08:17:22,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111486681] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:22,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017004184] [2021-10-25 08:17:22,551 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 08:17:22,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:22,552 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:22,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-25 08:17:22,719 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 08:17:22,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:22,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-25 08:17:22,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-25 08:17:22,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017004184] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:22,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:22,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-10-25 08:17:22,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131660644] [2021-10-25 08:17:22,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-25 08:17:22,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:22,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-25 08:17:22,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-25 08:17:22,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:22,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:22,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 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) [2021-10-25 08:17:22,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:22,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:22,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 08:17:22,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:22,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:22,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-10-25 08:17:22,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-25 08:17:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:23,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:24,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:24,109 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:24,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:24,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1761516681, now seen corresponding path program 5 times [2021-10-25 08:17:24,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:24,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711854951] [2021-10-25 08:17:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:24,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:24,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:24,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711854951] [2021-10-25 08:17:24,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711854951] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:24,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607909765] [2021-10-25 08:17:24,242 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 08:17:24,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:24,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:24,242 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:24,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-25 08:17:24,466 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-10-25 08:17:24,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:24,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 08:17:24,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:24,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607909765] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:24,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:24,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-25 08:17:24,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795500257] [2021-10-25 08:17:24,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-25 08:17:24,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:24,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-25 08:17:24,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-10-25 08:17:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:24,697 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:24,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 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) [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:24,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-25 08:17:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:24,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:25,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-10-25 08:17:25,104 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:25,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:25,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1049837430, now seen corresponding path program 6 times [2021-10-25 08:17:25,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:25,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309243918] [2021-10-25 08:17:25,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:25,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:25,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:25,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309243918] [2021-10-25 08:17:25,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309243918] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:25,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79244537] [2021-10-25 08:17:25,211 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 08:17:25,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:25,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:25,212 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:25,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-25 08:17:25,472 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-10-25 08:17:25,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:25,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 08:17:25,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:25,664 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:25,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79244537] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:25,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:25,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2021-10-25 08:17:25,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623789538] [2021-10-25 08:17:25,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-25 08:17:25,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-25 08:17:25,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-10-25 08:17:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:25,667 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:25,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 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) [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:25,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:25,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 08:17:25,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:26,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:26,036 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:26,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:26,036 INFO L82 PathProgramCache]: Analyzing trace with hash 2137129457, now seen corresponding path program 7 times [2021-10-25 08:17:26,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:26,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039875206] [2021-10-25 08:17:26,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:26,037 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:26,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:26,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039875206] [2021-10-25 08:17:26,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039875206] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:26,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569531301] [2021-10-25 08:17:26,126 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 08:17:26,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:26,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:26,127 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:26,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-25 08:17:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:26,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 08:17:26,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-25 08:17:26,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569531301] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:26,675 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:26,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-10-25 08:17:26,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320202820] [2021-10-25 08:17:26,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-25 08:17:26,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:26,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-25 08:17:26,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-10-25 08:17:26,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:26,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:26,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 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) [2021-10-25 08:17:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-10-25 08:17:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 08:17:26,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:28,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:28,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-10-25 08:17:28,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-25 08:17:28,313 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:28,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:28,313 INFO L82 PathProgramCache]: Analyzing trace with hash 239130972, now seen corresponding path program 8 times [2021-10-25 08:17:28,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:28,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174144701] [2021-10-25 08:17:28,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:28,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:28,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:28,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174144701] [2021-10-25 08:17:28,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174144701] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:28,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887357978] [2021-10-25 08:17:28,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 08:17:28,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:28,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:28,420 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:28,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-25 08:17:28,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 08:17:28,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:28,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-25 08:17:28,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:29,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887357978] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:29,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:29,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-10-25 08:17:29,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859467516] [2021-10-25 08:17:29,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-25 08:17:29,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:29,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-25 08:17:29,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-25 08:17:29,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:29,032 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:29,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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) [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:29,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:29,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:29,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-25 08:17:29,486 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:29,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:29,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1001328974, now seen corresponding path program 9 times [2021-10-25 08:17:29,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:29,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727084355] [2021-10-25 08:17:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:29,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:29,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:29,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727084355] [2021-10-25 08:17:29,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727084355] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:29,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875763191] [2021-10-25 08:17:29,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 08:17:29,616 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:29,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:29,629 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:29,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-25 08:17:30,001 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-25 08:17:30,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:30,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-25 08:17:30,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:30,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875763191] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:30,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:30,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-10-25 08:17:30,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195272171] [2021-10-25 08:17:30,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-25 08:17:30,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:30,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-25 08:17:30,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-10-25 08:17:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:30,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:30,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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) [2021-10-25 08:17:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:30,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:30,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:30,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:30,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-25 08:17:30,683 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:30,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:30,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1755416659, now seen corresponding path program 10 times [2021-10-25 08:17:30,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:30,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995811623] [2021-10-25 08:17:30,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:30,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:30,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:30,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995811623] [2021-10-25 08:17:30,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995811623] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:30,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256496782] [2021-10-25 08:17:30,806 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 08:17:30,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:30,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:30,807 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:30,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-25 08:17:31,170 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 08:17:31,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:31,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-25 08:17:31,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:31,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256496782] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:31,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:31,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-10-25 08:17:31,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028903624] [2021-10-25 08:17:31,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-25 08:17:31,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:31,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-25 08:17:31,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-25 08:17:31,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:31,397 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:31,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.076923076923077) internal successors, (79), 13 states have internal predecessors, (79), 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) [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:31,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:31,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:31,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-10-25 08:17:31,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-25 08:17:31,775 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:31,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:31,776 INFO L82 PathProgramCache]: Analyzing trace with hash 605007816, now seen corresponding path program 11 times [2021-10-25 08:17:31,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:31,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813246593] [2021-10-25 08:17:31,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:31,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 08:17:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:31,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 08:17:31,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813246593] [2021-10-25 08:17:31,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813246593] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:31,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44463196] [2021-10-25 08:17:31,869 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 08:17:31,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:31,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 08:17:31,870 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-25 08:17:31,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-25 08:17:32,301 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-10-25 08:17:32,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 08:17:32,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-25 08:17:32,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 08:17:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 08:17:32,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44463196] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 08:17:32,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 08:17:32,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-10-25 08:17:32,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116764020] [2021-10-25 08:17:32,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-25 08:17:32,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 08:17:32,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-25 08:17:32,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-10-25 08:17:32,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:32,513 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 08:17:32,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 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) [2021-10-25 08:17:32,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:32,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:32,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:32,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:32,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 08:17:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-25 08:17:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-25 08:17:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-25 08:17:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2021-10-25 08:17:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-25 08:17:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-25 08:17:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-25 08:17:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-25 08:17:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-25 08:17:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-25 08:17:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-25 08:17:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 08:17:33,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:34,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 08:17:34,159 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 08:17:34,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 08:17:34,160 INFO L82 PathProgramCache]: Analyzing trace with hash -35959661, now seen corresponding path program 12 times [2021-10-25 08:17:34,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 08:17:34,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984867564] [2021-10-25 08:17:34,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 08:17:34,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 08:17:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-25 08:17:34,174 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-25 08:17:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-25 08:17:34,223 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-25 08:17:34,223 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-25 08:17:34,223 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 08:17:34,225 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 08:17:34,274 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 08:17:34,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-25 08:17:34,280 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 08:17:34,281 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 08:17:34,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:17:34 BasicIcfg [2021-10-25 08:17:34,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 08:17:34,348 INFO L168 Benchmark]: Toolchain (without parser) took 18721.99 ms. Allocated memory was 194.0 MB in the beginning and 521.1 MB in the end (delta: 327.2 MB). Free memory was 137.5 MB in the beginning and 444.9 MB in the end (delta: -307.4 MB). Peak memory consumption was 300.8 MB. Max. memory is 8.0 GB. [2021-10-25 08:17:34,348 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 194.0 MB. Free memory is still 154.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 08:17:34,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.49 ms. Allocated memory was 194.0 MB in the beginning and 245.4 MB in the end (delta: 51.4 MB). Free memory was 137.2 MB in the beginning and 208.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 8.0 GB. [2021-10-25 08:17:34,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.01 ms. Allocated memory is still 245.4 MB. Free memory was 208.4 MB in the beginning and 206.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 08:17:34,349 INFO L168 Benchmark]: Boogie Preprocessor took 25.55 ms. Allocated memory is still 245.4 MB. Free memory was 206.3 MB in the beginning and 205.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 08:17:34,349 INFO L168 Benchmark]: RCFGBuilder took 364.89 ms. Allocated memory is still 245.4 MB. Free memory was 205.2 MB in the beginning and 183.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-10-25 08:17:34,349 INFO L168 Benchmark]: TraceAbstraction took 17931.39 ms. Allocated memory was 245.4 MB in the beginning and 521.1 MB in the end (delta: 275.8 MB). Free memory was 182.7 MB in the beginning and 444.9 MB in the end (delta: -262.2 MB). Peak memory consumption was 294.0 MB. Max. memory is 8.0 GB. [2021-10-25 08:17:34,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 194.0 MB. Free memory is still 154.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 347.49 ms. Allocated memory was 194.0 MB in the beginning and 245.4 MB in the end (delta: 51.4 MB). Free memory was 137.2 MB in the beginning and 208.4 MB in the end (delta: -71.1 MB). Peak memory consumption was 8.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.01 ms. Allocated memory is still 245.4 MB. Free memory was 208.4 MB in the beginning and 206.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.55 ms. Allocated memory is still 245.4 MB. Free memory was 206.3 MB in the beginning and 205.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 364.89 ms. Allocated memory is still 245.4 MB. Free memory was 205.2 MB in the beginning and 183.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17931.39 ms. Allocated memory was 245.4 MB in the beginning and 521.1 MB in the end (delta: 275.8 MB). Free memory was 182.7 MB in the beginning and 444.9 MB in the end (delta: -262.2 MB). Peak memory consumption was 294.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29698, positive: 24369, positive conditional: 23282, positive unconditional: 1087, negative: 5329, negative conditional: 5322, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24933, positive: 24369, positive conditional: 0, positive unconditional: 24369, negative: 564, negative conditional: 0, negative unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 927, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 927, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24933, positive: 23449, positive conditional: 0, positive unconditional: 23449, negative: 557, negative conditional: 0, negative unconditional: 557, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , Statistics on independence cache: Total cache size (in pairs): 927, Positive cache size: 920, Positive conditional cache size: 0, Positive unconditional cache size: 920, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 4765 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 133, Number of persistent set computation: 315, Number of trivial persistent sets: 264, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29698, positive: 24369, positive conditional: 23282, positive unconditional: 1087, negative: 5329, negative conditional: 5322, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24933, positive: 24369, positive conditional: 0, positive unconditional: 24369, negative: 564, negative conditional: 0, negative unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 927, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 927, positive: 920, positive conditional: 0, positive unconditional: 920, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24933, positive: 23449, positive conditional: 0, positive unconditional: 23449, negative: 557, negative conditional: 0, negative unconditional: 557, unknown: 927, unknown conditional: 0, unknown unconditional: 927] , Statistics on independence cache: Total cache size (in pairs): 927, Positive cache size: 920, Positive conditional cache size: 0, Positive unconditional cache size: 920, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 4765 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [i=3, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arg={0:0}, i=3, j=6] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=1] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=0, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1, k++=0] [L716] 0 int condI = i >= (2*5 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1, k++=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1, k++=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1, k++=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=2, k=1, k++=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2, k++=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2, k++=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3, k++=1] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2, k++=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=2, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3, k++=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3, k++=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4, k++=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=3, k++=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4, k++=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4, k++=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5, k++=3] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5, k++=4] [L719] 0 int condJ = j >= (2*5 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5, k++=4] [L721] COND TRUE 0 condI || condJ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5, k++=4] [L722] 0 reach_error() VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=5, k++=4] - UnprovableResult [Line: 713]: 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: 714]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 17762.5ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.9ms, PartialOrderReductionTime: 6612.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 434, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 164.0ms SsaConstructionTime, 476.3ms SatisfiabilityAnalysisTime, 4478.0ms InterpolantComputationTime, 1970 NumberOfCodeBlocks, 1970 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1858 ConstructedInterpolants, 0 QuantifiedInterpolants, 6128 SizeOfPredicates, 86 NumberOfNonLiveVariables, 2185 ConjunctsInSsa, 159 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 206/1383 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! [2021-10-25 08:17:34,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 08:17:34,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...