/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-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 16:21:06,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 16:21:06,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 16:21:06,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 16:21:06,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 16:21:06,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 16:21:06,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 16:21:06,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 16:21:06,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 16:21:06,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 16:21:06,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 16:21:06,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 16:21:06,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 16:21:06,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 16:21:06,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 16:21:06,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 16:21:06,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 16:21:06,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 16:21:06,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 16:21:06,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 16:21:06,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 16:21:06,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 16:21:06,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 16:21:06,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 16:21:06,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 16:21:06,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 16:21:06,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 16:21:06,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 16:21:06,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 16:21:06,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 16:21:06,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 16:21:06,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 16:21:06,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 16:21:06,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 16:21:06,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 16:21:06,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 16:21:06,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 16:21:06,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 16:21:06,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 16:21:06,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 16:21:06,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 16:21:06,985 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-NewStatesSleep-NoLbe.epf [2022-02-15 16:21:07,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 16:21:07,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 16:21:07,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 16:21:07,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 16:21:07,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 16:21:07,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 16:21:07,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 16:21:07,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 16:21:07,003 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 16:21:07,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 16:21:07,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 16:21:07,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 16:21:07,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 16:21:07,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 16:21:07,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 16:21:07,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 16:21:07,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 16:21:07,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 16:21:07,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 16:21:07,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 16:21:07,005 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 16:21:07,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 16:21:07,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 16:21:07,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 16:21:07,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 16:21:07,006 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 16:21:07,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 16:21:07,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 16:21:07,006 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 16:21:07,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 16:21:07,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 16:21:07,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 16:21:07,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 16:21:07,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 16:21:07,213 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 16:21:07,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2022-02-15 16:21:07,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d3a2ef0/cbd6550180a8444f8017fa2b0ec92f1c/FLAG716ff9e08 [2022-02-15 16:21:07,701 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 16:21:07,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2022-02-15 16:21:07,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d3a2ef0/cbd6550180a8444f8017fa2b0ec92f1c/FLAG716ff9e08 [2022-02-15 16:21:08,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4d3a2ef0/cbd6550180a8444f8017fa2b0ec92f1c [2022-02-15 16:21:08,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 16:21:08,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 16:21:08,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 16:21:08,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 16:21:08,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 16:21:08,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e986194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08, skipping insertion in model container [2022-02-15 16:21:08,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 16:21:08,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 16:21:08,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-02-15 16:21:08,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 16:21:08,465 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 16:21:08,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2022-02-15 16:21:08,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 16:21:08,564 INFO L208 MainTranslator]: Completed translation [2022-02-15 16:21:08,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08 WrapperNode [2022-02-15 16:21:08,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 16:21:08,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 16:21:08,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 16:21:08,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 16:21:08,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,608 INFO L137 Inliner]: procedures = 271, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2022-02-15 16:21:08,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 16:21:08,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 16:21:08,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 16:21:08,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 16:21:08,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 16:21:08,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 16:21:08,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 16:21:08,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 16:21:08,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (1/1) ... [2022-02-15 16:21:08,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 16:21:08,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:08,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 16:21:08,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 16:21:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-15 16:21:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 16:21:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2022-02-15 16:21:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2022-02-15 16:21:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 16:21:08,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 16:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 16:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 16:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2022-02-15 16:21:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2022-02-15 16:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure process [2022-02-15 16:21:08,744 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2022-02-15 16:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 16:21:08,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 16:21:08,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 16:21:08,746 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 16:21:08,978 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 16:21:08,979 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 16:21:09,110 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 16:21:09,116 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 16:21:09,116 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-15 16:21:09,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:21:09 BoogieIcfgContainer [2022-02-15 16:21:09,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 16:21:09,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 16:21:09,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 16:21:09,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 16:21:09,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:21:08" (1/3) ... [2022-02-15 16:21:09,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14279a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:21:09, skipping insertion in model container [2022-02-15 16:21:09,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:21:08" (2/3) ... [2022-02-15 16:21:09,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14279a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:21:09, skipping insertion in model container [2022-02-15 16:21:09,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:21:09" (3/3) ... [2022-02-15 16:21:09,132 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2022-02-15 16:21:09,135 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 16:21:09,136 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 16:21:09,136 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-15 16:21:09,136 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 16:21:09,169 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,169 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,169 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,169 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,169 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,170 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,170 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,170 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,170 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,170 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,170 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,172 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,172 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,173 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,173 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,173 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,173 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,173 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,174 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,174 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,174 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,174 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,174 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,174 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,174 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,175 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,176 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,176 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,176 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,176 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,176 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,176 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,177 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,177 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,177 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,181 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,181 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,181 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,181 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,182 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,182 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,182 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,182 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,182 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,182 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,182 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,183 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,183 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,183 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,183 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,183 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,183 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,184 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,184 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,184 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,184 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,184 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,185 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,186 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,186 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,186 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,186 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,186 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,187 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,187 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,188 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,188 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,188 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,188 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,188 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,189 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,189 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,189 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,189 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,189 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,189 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,189 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,190 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,190 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,190 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,190 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,190 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,191 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,191 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,191 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,191 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,191 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,191 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,192 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,193 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,193 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,193 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,193 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,193 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,193 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,193 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,194 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,194 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,194 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,197 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,197 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe processThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,198 WARN L322 ript$VariableManager]: TermVariabe |processThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,200 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,201 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,201 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,201 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~p~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,201 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,201 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,201 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,201 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,202 WARN L322 ript$VariableManager]: TermVariabe |disposeThread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,202 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,202 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,203 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,203 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,203 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,203 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,203 WARN L322 ript$VariableManager]: TermVariabe generateThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,203 WARN L322 ript$VariableManager]: TermVariabe |generateThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 16:21:09,204 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 16:21:09,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 16:21:09,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:09,249 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) [2022-02-15 16:21:09,250 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 [2022-02-15 16:21:09,278 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 16:21:09,283 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 16:21:09,284 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-15 16:21:09,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:09,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:09,375 INFO L85 PathProgramCache]: Analyzing trace with hash -274539606, now seen corresponding path program 1 times [2022-02-15 16:21:09,382 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:09,382 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933151208] [2022-02-15 16:21:09,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:09,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:21:09,671 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:09,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933151208] [2022-02-15 16:21:09,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933151208] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:21:09,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 16:21:09,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 16:21:09,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898496091] [2022-02-15 16:21:09,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:21:09,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 16:21:09,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:09,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 16:21:09,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 16:21:09,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:09,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:09,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:09,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:09,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 16:21:09,731 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:09,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1943218347, now seen corresponding path program 1 times [2022-02-15 16:21:09,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:09,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401040520] [2022-02-15 16:21:09,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:09,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:21:09,851 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:09,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401040520] [2022-02-15 16:21:09,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401040520] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:21:09,851 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 16:21:09,851 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 16:21:09,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9931536] [2022-02-15 16:21:09,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:21:09,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 16:21:09,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:09,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 16:21:09,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 16:21:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:09,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:09,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:09,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:09,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:09,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:09,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 16:21:09,887 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:09,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:09,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1039294732, now seen corresponding path program 1 times [2022-02-15 16:21:09,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:09,889 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546100683] [2022-02-15 16:21:09,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:09,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:21:10,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:10,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546100683] [2022-02-15 16:21:10,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546100683] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:21:10,195 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 16:21:10,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 16:21:10,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937115080] [2022-02-15 16:21:10,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:21:10,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 16:21:10,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:10,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 16:21:10,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 16:21:10,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,197 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:10,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:10,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:10,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 16:21:10,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 16:21:10,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:10,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:10,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1082512188, now seen corresponding path program 1 times [2022-02-15 16:21:10,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:10,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559185671] [2022-02-15 16:21:10,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:10,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:21:10,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:10,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559185671] [2022-02-15 16:21:10,391 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559185671] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:21:10,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550689813] [2022-02-15 16:21:10,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:10,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:10,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:10,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 16:21:10,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 16:21:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:10,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-15 16:21:10,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:21:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:21:10,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 16:21:10,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:21:10,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550689813] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 16:21:10,848 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 16:21:10,849 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-15 16:21:10,849 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756063855] [2022-02-15 16:21:10,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 16:21:10,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 16:21:10,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:10,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 16:21:10,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-15 16:21:10,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,851 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:10,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:10,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:10,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 16:21:10,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-15 16:21:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:10,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-15 16:21:11,130 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,SelfDestructingSolverStorable3 [2022-02-15 16:21:11,131 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:11,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:11,131 INFO L85 PathProgramCache]: Analyzing trace with hash 493119542, now seen corresponding path program 2 times [2022-02-15 16:21:11,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:11,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768353685] [2022-02-15 16:21:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:11,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:21:11,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:11,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768353685] [2022-02-15 16:21:11,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768353685] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:21:11,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639433842] [2022-02-15 16:21:11,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 16:21:11,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:11,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 16:21:11,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 16:21:11,367 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-15 16:21:11,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 16:21:11,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-15 16:21:11,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:21:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-02-15 16:21:11,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 16:21:11,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639433842] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:21:11,590 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 16:21:11,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2022-02-15 16:21:11,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022329454] [2022-02-15 16:21:11,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:21:11,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 16:21:11,591 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:11,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 16:21:11,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-02-15 16:21:11,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:11,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:11,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-15 16:21:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:11,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:11,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:11,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:11,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:11,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:11,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 16:21:12,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:12,201 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:12,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:12,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1519262904, now seen corresponding path program 1 times [2022-02-15 16:21:12,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:12,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902792470] [2022-02-15 16:21:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:12,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-02-15 16:21:12,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:12,280 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902792470] [2022-02-15 16:21:12,280 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902792470] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:21:12,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 16:21:12,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 16:21:12,281 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458422783] [2022-02-15 16:21:12,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:21:12,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 16:21:12,281 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:12,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 16:21:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 16:21:12,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,282 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:12,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 16:21:12,324 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:12,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1635060078, now seen corresponding path program 1 times [2022-02-15 16:21:12,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:12,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752193742] [2022-02-15 16:21:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:12,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-02-15 16:21:12,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:12,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752193742] [2022-02-15 16:21:12,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752193742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:21:12,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 16:21:12,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 16:21:12,416 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554513105] [2022-02-15 16:21:12,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:21:12,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 16:21:12,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:12,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 16:21:12,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 16:21:12,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,417 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:12,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:12,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:12,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 16:21:12,463 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:12,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:12,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1667331165, now seen corresponding path program 1 times [2022-02-15 16:21:12,466 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:12,466 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042361220] [2022-02-15 16:21:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:12,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-15 16:21:12,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:12,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042361220] [2022-02-15 16:21:12,588 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042361220] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:21:12,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216345494] [2022-02-15 16:21:12,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:12,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:12,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:12,589 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 16:21:12,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 16:21:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:12,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-15 16:21:12,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:21:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-15 16:21:12,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 16:21:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-15 16:21:13,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216345494] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 16:21:13,366 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 16:21:13,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-15 16:21:13,367 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732610046] [2022-02-15 16:21:13,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 16:21:13,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-15 16:21:13,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:13,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-15 16:21:13,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-15 16:21:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:13,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:13,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.944444444444445) internal successors, (233), 18 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:13,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:13,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:13,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:13,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:13,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:13,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:13,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:13,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 16:21:13,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:13,764 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:13,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:13,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1553020865, now seen corresponding path program 2 times [2022-02-15 16:21:13,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:13,764 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180252974] [2022-02-15 16:21:13,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:13,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-02-15 16:21:14,043 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:14,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180252974] [2022-02-15 16:21:14,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180252974] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:21:14,061 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508476487] [2022-02-15 16:21:14,061 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 16:21:14,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:14,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:14,062 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 16:21:14,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 16:21:14,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 16:21:14,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 16:21:14,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 16:21:14,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:21:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-15 16:21:14,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 16:21:15,186 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-02-15 16:21:15,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508476487] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 16:21:15,186 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 16:21:15,187 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 17, 17] total 25 [2022-02-15 16:21:15,187 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839931884] [2022-02-15 16:21:15,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 16:21:15,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-15 16:21:15,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:15,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-15 16:21:15,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=470, Unknown=0, NotChecked=0, Total=600 [2022-02-15 16:21:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:15,188 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:15,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.72) internal successors, (393), 25 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:15,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:15,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:21:15,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-15 16:21:16,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:16,186 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:16,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash -263271317, now seen corresponding path program 1 times [2022-02-15 16:21:16,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:16,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851419508] [2022-02-15 16:21:16,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:16,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 45 proven. 33 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2022-02-15 16:21:16,390 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:16,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851419508] [2022-02-15 16:21:16,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851419508] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:21:16,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598701191] [2022-02-15 16:21:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:16,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:16,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:16,396 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) [2022-02-15 16:21:16,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 16:21:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:16,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-15 16:21:16,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:21:17,560 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-15 16:21:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 16:21:17,626 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-15 16:21:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 16:21:17,659 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-15 16:21:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 16:21:17,679 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-15 16:21:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 848 trivial. 0 not checked. [2022-02-15 16:21:17,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 16:21:17,760 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598701191] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:21:17,760 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 16:21:17,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-02-15 16:21:17,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590590764] [2022-02-15 16:21:17,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:21:17,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 16:21:17,762 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:17,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 16:21:17,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-02-15 16:21:17,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:17,763 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:17,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:17,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:21:17,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:21:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:21:17,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 16:21:18,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:18,128 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:18,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:18,128 INFO L85 PathProgramCache]: Analyzing trace with hash -743612026, now seen corresponding path program 1 times [2022-02-15 16:21:18,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:18,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357060321] [2022-02-15 16:21:18,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:18,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-02-15 16:21:18,415 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:18,415 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357060321] [2022-02-15 16:21:18,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357060321] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:21:18,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395298529] [2022-02-15 16:21:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:18,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:18,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:18,417 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) [2022-02-15 16:21:18,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-15 16:21:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:18,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-15 16:21:18,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:21:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-02-15 16:21:19,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 16:21:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-02-15 16:21:20,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395298529] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 16:21:20,469 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 16:21:20,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 13 [2022-02-15 16:21:20,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045944008] [2022-02-15 16:21:20,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 16:21:20,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-15 16:21:20,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:20,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-15 16:21:20,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-02-15 16:21:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:20,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:20,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 13 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:20,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:21:20,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:20,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:21:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:21:20,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-15 16:21:21,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-15 16:21:21,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:21,211 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:21:21,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:21:21,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2125844347, now seen corresponding path program 1 times [2022-02-15 16:21:21,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:21:21,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448613952] [2022-02-15 16:21:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:21,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:21:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2022-02-15 16:21:21,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:21:21,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448613952] [2022-02-15 16:21:21,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448613952] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:21:21,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640422861] [2022-02-15 16:21:21,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:21:21,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:21:21,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:21:21,564 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) [2022-02-15 16:21:21,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-15 16:21:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:21:21,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-15 16:21:21,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:21:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2022-02-15 16:21:22,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 16:21:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 831 trivial. 0 not checked. [2022-02-15 16:21:23,707 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640422861] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 16:21:23,707 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 16:21:23,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 14 [2022-02-15 16:21:23,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686891291] [2022-02-15 16:21:23,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 16:21:23,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-15 16:21:23,708 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:21:23,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-15 16:21:23,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-02-15 16:21:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:23,709 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:21:23,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.785714285714286) internal successors, (151), 14 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-15 16:21:23,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:22:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:22:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 16:22:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:23,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:22:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:22:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-15 16:22:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:23,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-15 16:22:23,475 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,SelfDestructingSolverStorable11 [2022-02-15 16:22:23,476 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:22:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:22:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1841834307, now seen corresponding path program 1 times [2022-02-15 16:22:23,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:22:23,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115578205] [2022-02-15 16:22:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:22:23,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:22:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:22:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 955 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 16:22:24,453 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:22:24,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115578205] [2022-02-15 16:22:24,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115578205] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:22:24,454 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811613591] [2022-02-15 16:22:24,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:22:24,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:22:24,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:22:24,456 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) [2022-02-15 16:22:24,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-15 16:22:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:22:24,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-15 16:22:24,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:22:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 1103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-02-15 16:22:25,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-15 16:22:25,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811613591] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:22:25,094 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-15 16:22:25,094 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [25] total 27 [2022-02-15 16:22:25,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160674257] [2022-02-15 16:22:25,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:22:25,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-15 16:22:25,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:22:25,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-15 16:22:25,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2022-02-15 16:22:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:25,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:22:25,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.73913043478261) internal successors, (293), 23 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:25,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:22:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:22:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 16:22:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:22:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:22:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-15 16:22:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 16:22:25,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-15 16:22:26,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-15 16:22:26,004 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:22:26,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:22:26,004 INFO L85 PathProgramCache]: Analyzing trace with hash -905859296, now seen corresponding path program 2 times [2022-02-15 16:22:26,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:22:26,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993683264] [2022-02-15 16:22:26,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:22:26,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:22:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:22:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2022-02-15 16:22:26,140 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:22:26,141 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993683264] [2022-02-15 16:22:26,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993683264] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 16:22:26,141 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 16:22:26,141 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 16:22:26,141 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696741980] [2022-02-15 16:22:26,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 16:22:26,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 16:22:26,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:22:26,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 16:22:26,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-15 16:22:26,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:26,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:22:26,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 8 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:26,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 16:22:26,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:22:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:22:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-15 16:22:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 16:22:27,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 16:22:27,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-15 16:22:27,012 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2022-02-15 16:22:27,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 16:22:27,012 INFO L85 PathProgramCache]: Analyzing trace with hash -714782809, now seen corresponding path program 1 times [2022-02-15 16:22:27,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 16:22:27,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890002507] [2022-02-15 16:22:27,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:22:27,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 16:22:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:22:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-02-15 16:22:27,796 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 16:22:27,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890002507] [2022-02-15 16:22:27,796 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890002507] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 16:22:27,796 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15424165] [2022-02-15 16:22:27,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 16:22:27,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 16:22:27,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 16:22:27,798 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) [2022-02-15 16:22:27,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-15 16:22:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 16:22:28,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-15 16:22:28,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 16:22:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-02-15 16:22:29,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 16:22:29,960 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2022-02-15 16:22:29,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15424165] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 16:22:29,961 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 16:22:29,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 15 [2022-02-15 16:22:29,961 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71100488] [2022-02-15 16:22:29,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 16:22:29,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-15 16:22:29,962 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 16:22:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-15 16:22:29,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-02-15 16:22:29,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:29,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 16:22:29,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.933333333333334) internal successors, (149), 15 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 16:22:29,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 16:22:29,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:29,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 16:22:29,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.