/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 03:46:07,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 03:46:07,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 03:46:07,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 03:46:07,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 03:46:07,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 03:46:07,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 03:46:07,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 03:46:07,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 03:46:07,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 03:46:07,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 03:46:07,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 03:46:07,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 03:46:07,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 03:46:07,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 03:46:07,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 03:46:07,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 03:46:07,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 03:46:07,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 03:46:07,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 03:46:07,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 03:46:07,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 03:46:07,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 03:46:07,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 03:46:07,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-11 03:46:07,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 03:46:07,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 03:46:07,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 03:46:07,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 03:46:07,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 03:46:07,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 03:46:07,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 03:46:07,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 03:46:07,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 03:46:07,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 03:46:07,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 03:46:07,187 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-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 03:46:07,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 03:46:07,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 03:46:07,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 03:46:07,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 03:46:07,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 03:46:07,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 03:46:07,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 03:46:07,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 03:46:07,215 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 03:46:07,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 03:46:07,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 03:46:07,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:46:07,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 03:46:07,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 03:46:07,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 03:46:07,218 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 03:46:07,218 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 03:46:07,218 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 03:46:07,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 03:46:07,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 03:46:07,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 03:46:07,423 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 03:46:07,425 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 03:46:07,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-02-11 03:46:07,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6665e348c/22df29e49439463da4c86677e690b6f8/FLAG4b414d646 [2022-02-11 03:46:07,868 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 03:46:07,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c [2022-02-11 03:46:07,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6665e348c/22df29e49439463da4c86677e690b6f8/FLAG4b414d646 [2022-02-11 03:46:07,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6665e348c/22df29e49439463da4c86677e690b6f8 [2022-02-11 03:46:07,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 03:46:07,884 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 03:46:07,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 03:46:07,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 03:46:07,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 03:46:07,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:46:07" (1/1) ... [2022-02-11 03:46:07,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe7b73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:07, skipping insertion in model container [2022-02-11 03:46:07,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:46:07" (1/1) ... [2022-02-11 03:46:07,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 03:46:07,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 03:46:08,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4210,4223] [2022-02-11 03:46:08,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:46:08,106 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 03:46:08,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-lamport.wvr.c[4210,4223] [2022-02-11 03:46:08,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:46:08,140 INFO L208 MainTranslator]: Completed translation [2022-02-11 03:46:08,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08 WrapperNode [2022-02-11 03:46:08,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 03:46:08,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 03:46:08,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 03:46:08,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 03:46:08,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,194 INFO L137 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 235 [2022-02-11 03:46:08,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 03:46:08,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 03:46:08,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 03:46:08,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 03:46:08,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 03:46:08,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 03:46:08,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 03:46:08,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 03:46:08,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (1/1) ... [2022-02-11 03:46:08,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:46:08,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:46:08,268 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) [2022-02-11 03:46:08,269 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 [2022-02-11 03:46:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 03:46:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 03:46:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 03:46:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 03:46:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 03:46:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 03:46:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 03:46:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 03:46:08,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 03:46:08,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 03:46:08,295 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 03:46:08,359 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 03:46:08,360 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 03:46:08,622 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 03:46:08,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 03:46:08,672 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-11 03:46:08,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:46:08 BoogieIcfgContainer [2022-02-11 03:46:08,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 03:46:08,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 03:46:08,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 03:46:08,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 03:46:08,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 03:46:07" (1/3) ... [2022-02-11 03:46:08,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739e0daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:46:08, skipping insertion in model container [2022-02-11 03:46:08,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:46:08" (2/3) ... [2022-02-11 03:46:08,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739e0daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:46:08, skipping insertion in model container [2022-02-11 03:46:08,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:46:08" (3/3) ... [2022-02-11 03:46:08,680 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2022-02-11 03:46:08,684 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 03:46:08,685 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 03:46:08,685 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 03:46:08,685 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 03:46:08,716 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,717 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,717 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,717 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,718 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,718 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,718 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,718 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,719 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,719 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,719 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,719 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,720 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,720 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,722 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,723 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,723 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,723 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,724 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,724 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,724 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,725 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,725 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,725 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,726 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,726 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,726 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,726 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,726 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,727 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,727 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,727 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,728 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,728 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,728 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,728 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,729 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,731 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,731 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,731 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,732 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,732 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,732 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,732 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,733 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,733 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,733 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,733 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,741 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,741 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,742 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,742 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,742 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,742 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork1_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,743 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,744 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,744 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:46:08,746 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 03:46:08,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 03:46:08,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:46:08,802 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) [2022-02-11 03:46:08,803 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 [2022-02-11 03:46:08,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 03:46:08,842 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, 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 [2022-02-11 03:46:08,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 03:46:09,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:09,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:09,123 INFO L85 PathProgramCache]: Analyzing trace with hash 79879178, now seen corresponding path program 1 times [2022-02-11 03:46:09,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:09,133 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985286107] [2022-02-11 03:46:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:09,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:09,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:09,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985286107] [2022-02-11 03:46:09,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985286107] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:46:09,371 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:46:09,376 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 03:46:09,378 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37185116] [2022-02-11 03:46:09,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:46:09,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 03:46:09,383 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:09,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 03:46:09,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 03:46:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:09,402 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:09,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 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) [2022-02-11 03:46:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:09,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 03:46:09,462 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:09,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:09,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1034530873, now seen corresponding path program 1 times [2022-02-11 03:46:09,462 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:09,463 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845230111] [2022-02-11 03:46:09,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:09,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:09,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:09,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:09,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845230111] [2022-02-11 03:46:09,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845230111] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:46:09,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:46:09,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:46:09,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964064438] [2022-02-11 03:46:09,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:46:09,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:46:09,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:09,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:46:09,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:46:09,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:09,746 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:09,746 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) [2022-02-11 03:46:09,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:09,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:10,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:10,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:10,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 03:46:10,071 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:10,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:10,072 INFO L85 PathProgramCache]: Analyzing trace with hash -533988119, now seen corresponding path program 1 times [2022-02-11 03:46:10,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:10,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439850121] [2022-02-11 03:46:10,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:10,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:10,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:10,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439850121] [2022-02-11 03:46:10,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439850121] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:46:10,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749146089] [2022-02-11 03:46:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:10,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:46:10,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:46:10,934 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) [2022-02-11 03:46:10,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 03:46:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:11,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 65 conjunts are in the unsatisfiable core [2022-02-11 03:46:11,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:46:11,153 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-11 03:46:11,196 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-11 03:46:11,196 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-02-11 03:46:11,664 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 03:46:11,664 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-02-11 03:46:11,816 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-11 03:46:12,499 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 6 treesize of output 5 [2022-02-11 03:46:12,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:46:12,673 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 6 treesize of output 5 [2022-02-11 03:46:13,086 INFO L353 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2022-02-11 03:46:13,087 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2022-02-11 03:46:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:13,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:46:21,542 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:21,542 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 132 treesize of output 96 [2022-02-11 03:46:21,564 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:21,565 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1224 treesize of output 1176 [2022-02-11 03:46:21,587 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:21,588 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1160 treesize of output 1080 [2022-02-11 03:46:21,610 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:21,611 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1064 treesize of output 888 [2022-02-11 03:46:21,636 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:21,637 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 674 treesize of output 642 [2022-02-11 03:46:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:28,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749146089] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:46:28,435 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:46:28,436 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 30, 27] total 75 [2022-02-11 03:46:28,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387419760] [2022-02-11 03:46:28,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:46:28,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-02-11 03:46:28,437 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:28,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-02-11 03:46:28,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=4749, Unknown=222, NotChecked=0, Total=5550 [2022-02-11 03:46:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:28,440 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:28,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 5.426666666666667) internal successors, (407), 75 states have internal predecessors, (407), 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) [2022-02-11 03:46:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-11 03:46:31,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-11 03:46:32,073 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,SelfDestructingSolverStorable2 [2022-02-11 03:46:32,073 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:32,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1986402625, now seen corresponding path program 2 times [2022-02-11 03:46:32,074 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:32,074 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770113764] [2022-02-11 03:46:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:46:32,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:32,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770113764] [2022-02-11 03:46:32,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770113764] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:46:32,166 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:46:32,166 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 03:46:32,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347007384] [2022-02-11 03:46:32,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:46:32,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 03:46:32,167 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:32,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 03:46:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-11 03:46:32,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,172 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:32,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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) [2022-02-11 03:46:32,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-11 03:46:32,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-11 03:46:32,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-11 03:46:32,258 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:32,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:32,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1910020305, now seen corresponding path program 3 times [2022-02-11 03:46:32,258 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:32,258 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114153550] [2022-02-11 03:46:32,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:32,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:46:32,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:32,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114153550] [2022-02-11 03:46:32,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114153550] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:46:32,397 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:46:32,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-11 03:46:32,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354779836] [2022-02-11 03:46:32,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:46:32,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-11 03:46:32,397 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:32,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-11 03:46:32,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-11 03:46:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,398 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:32,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 states have internal predecessors, (161), 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) [2022-02-11 03:46:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-11 03:46:32,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 03:46:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-11 03:46:32,559 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:32,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:32,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1512315635, now seen corresponding path program 4 times [2022-02-11 03:46:32,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:32,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819309950] [2022-02-11 03:46:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:32,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:46:32,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:32,618 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819309950] [2022-02-11 03:46:32,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819309950] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:46:32,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:46:32,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 03:46:32,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459198441] [2022-02-11 03:46:32,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:46:32,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 03:46:32,619 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 03:46:32,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 03:46:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:32,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-02-11 03:46:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 03:46:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-11 03:46:32,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:46:32,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-11 03:46:32,678 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:32,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:32,679 INFO L85 PathProgramCache]: Analyzing trace with hash -250410237, now seen corresponding path program 5 times [2022-02-11 03:46:32,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:32,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074195986] [2022-02-11 03:46:32,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:32,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:32,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:46:32,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:32,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074195986] [2022-02-11 03:46:32,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074195986] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:46:32,763 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:46:32,763 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-11 03:46:32,763 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537121647] [2022-02-11 03:46:32,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:46:32,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-11 03:46:32,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:32,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-11 03:46:32,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-11 03:46:32,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:32,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 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) [2022-02-11 03:46:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-11 03:46:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:46:32,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 03:46:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:46:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:46:32,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-11 03:46:32,868 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:32,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:32,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1308250903, now seen corresponding path program 6 times [2022-02-11 03:46:32,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:32,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144904163] [2022-02-11 03:46:32,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:32,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:33,473 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:33,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144904163] [2022-02-11 03:46:33,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144904163] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:46:33,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021656585] [2022-02-11 03:46:33,473 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 03:46:33,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:46:33,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:46:33,475 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) [2022-02-11 03:46:33,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 03:46:33,571 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-11 03:46:33,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:46:33,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-11 03:46:33,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:46:33,988 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:33,989 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2022-02-11 03:46:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-11 03:46:34,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 03:46:34,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021656585] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:46:34,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 03:46:34,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [25] total 32 [2022-02-11 03:46:34,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888296598] [2022-02-11 03:46:34,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:46:34,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-11 03:46:34,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:34,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-11 03:46:34,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=913, Unknown=0, NotChecked=0, Total=992 [2022-02-11 03:46:34,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:34,021 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:34,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.416666666666666) internal successors, (161), 12 states have internal predecessors, (161), 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) [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:46:34,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-11 03:46:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:46:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:46:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:46:34,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 03:46:34,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:46:34,564 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:46:34,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:46:34,564 INFO L85 PathProgramCache]: Analyzing trace with hash -234010031, now seen corresponding path program 7 times [2022-02-11 03:46:34,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:46:34,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844806457] [2022-02-11 03:46:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:46:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:46:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:35,028 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:46:35,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844806457] [2022-02-11 03:46:35,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844806457] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:46:35,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311192101] [2022-02-11 03:46:35,029 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-11 03:46:35,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:46:35,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:46:35,030 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) [2022-02-11 03:46:35,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 03:46:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:46:35,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 72 conjunts are in the unsatisfiable core [2022-02-11 03:46:35,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:46:35,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-11 03:46:35,167 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-11 03:46:35,167 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-11 03:46:35,203 INFO L353 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-02-11 03:46:35,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 30 [2022-02-11 03:46:35,817 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-02-11 03:46:35,817 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 34 [2022-02-11 03:46:35,958 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-11 03:46:36,643 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:46:36,731 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-11 03:46:36,808 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 6 treesize of output 5 [2022-02-11 03:46:36,967 INFO L353 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2022-02-11 03:46:36,967 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 20 [2022-02-11 03:46:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:37,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:46:40,581 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:40,582 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 190 treesize of output 130 [2022-02-11 03:46:40,592 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:40,593 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1424 treesize of output 1348 [2022-02-11 03:46:40,637 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:40,637 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1580 treesize of output 1174 [2022-02-11 03:46:40,656 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:40,657 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1148 treesize of output 958 [2022-02-11 03:46:40,677 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:46:40,679 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 932 treesize of output 850 [2022-02-11 03:46:59,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:46:59,767 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311192101] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:46:59,767 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:46:59,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 34, 31] total 82 [2022-02-11 03:46:59,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685673896] [2022-02-11 03:46:59,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:46:59,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-02-11 03:46:59,768 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:46:59,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-02-11 03:46:59,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=833, Invalid=5539, Unknown=270, NotChecked=0, Total=6642 [2022-02-11 03:46:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:59,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:46:59,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 4.670731707317073) internal successors, (383), 82 states have internal predecessors, (383), 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) [2022-02-11 03:46:59,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:46:59,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:46:59,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-11 03:46:59,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:59,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:46:59,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:46:59,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-11 03:46:59,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:46:59,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:04,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:04,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:04,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:04,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:04,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 03:47:04,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:04,482 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:04,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:04,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1878107527, now seen corresponding path program 8 times [2022-02-11 03:47:04,483 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:04,483 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145564317] [2022-02-11 03:47:04,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:04,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:05,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:05,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145564317] [2022-02-11 03:47:05,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145564317] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:05,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800203952] [2022-02-11 03:47:05,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-11 03:47:05,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:05,106 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) [2022-02-11 03:47:05,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 03:47:05,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-11 03:47:05,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:47:05,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-11 03:47:05,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:05,644 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:05,645 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2022-02-11 03:47:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 03:47:05,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 03:47:05,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800203952] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:05,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 03:47:05,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [28] total 35 [2022-02-11 03:47:05,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353314802] [2022-02-11 03:47:05,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:05,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-11 03:47:05,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:05,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-11 03:47:05,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1100, Unknown=0, NotChecked=0, Total=1190 [2022-02-11 03:47:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:05,682 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:05,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.416666666666666) internal successors, (161), 12 states have internal predecessors, (161), 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) [2022-02-11 03:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:06,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:06,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:06,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-11 03:47:06,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-11 03:47:06,275 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:06,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:06,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2116881681, now seen corresponding path program 9 times [2022-02-11 03:47:06,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:06,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536383370] [2022-02-11 03:47:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:06,926 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:06,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536383370] [2022-02-11 03:47:06,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536383370] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:06,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486200885] [2022-02-11 03:47:06,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 03:47:06,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:06,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:06,927 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) [2022-02-11 03:47:06,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-11 03:47:07,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-02-11 03:47:07,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:47:07,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-11 03:47:07,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:07,487 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:07,487 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2022-02-11 03:47:07,536 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 03:47:07,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 03:47:07,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486200885] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:07,537 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 03:47:07,537 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [30] total 37 [2022-02-11 03:47:07,537 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949979890] [2022-02-11 03:47:07,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:07,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-11 03:47:07,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:07,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-11 03:47:07,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1241, Unknown=0, NotChecked=0, Total=1332 [2022-02-11 03:47:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:07,539 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:07,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.416666666666666) internal successors, (161), 12 states have internal predecessors, (161), 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) [2022-02-11 03:47:07,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:07,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:07,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:07,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:08,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:08,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-11 03:47:08,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:08,308 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:08,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:08,308 INFO L85 PathProgramCache]: Analyzing trace with hash -737223209, now seen corresponding path program 10 times [2022-02-11 03:47:08,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:08,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509014009] [2022-02-11 03:47:08,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:08,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:08,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:08,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:08,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509014009] [2022-02-11 03:47:08,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509014009] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:08,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210675598] [2022-02-11 03:47:08,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-11 03:47:08,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:08,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:08,939 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) [2022-02-11 03:47:08,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-11 03:47:09,050 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-11 03:47:09,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:47:09,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-11 03:47:09,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:09,090 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-11 03:47:09,220 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 03:47:09,220 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-11 03:47:10,166 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 18 treesize of output 20 [2022-02-11 03:47:10,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-11 03:47:10,950 INFO L353 Elim1Store]: treesize reduction 35, result has 32.7 percent of original size [2022-02-11 03:47:10,951 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 39 [2022-02-11 03:47:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:10,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:47:11,245 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:11,245 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 154 treesize of output 170 [2022-02-11 03:47:11,265 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:11,265 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 70 [2022-02-11 03:47:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:16,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210675598] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:47:16,808 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:47:16,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 33, 33] total 75 [2022-02-11 03:47:16,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910363009] [2022-02-11 03:47:16,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:47:16,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-02-11 03:47:16,813 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:16,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-02-11 03:47:16,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=417, Invalid=5132, Unknown=1, NotChecked=0, Total=5550 [2022-02-11 03:47:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:16,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:16,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 4.68) internal successors, (351), 75 states have internal predecessors, (351), 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) [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:16,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:18,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:47:18,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-11 03:47:19,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:19,160 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:19,160 INFO L85 PathProgramCache]: Analyzing trace with hash -126442051, now seen corresponding path program 11 times [2022-02-11 03:47:19,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:19,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015641081] [2022-02-11 03:47:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:19,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:20,000 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:20,000 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015641081] [2022-02-11 03:47:20,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015641081] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:20,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798628727] [2022-02-11 03:47:20,001 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-11 03:47:20,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:20,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:20,002 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) [2022-02-11 03:47:20,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-11 03:47:20,091 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-02-11 03:47:20,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:47:20,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-11 03:47:20,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:20,116 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-11 03:47:20,228 INFO L353 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-11 03:47:20,228 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-11 03:47:20,653 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 26 treesize of output 26 [2022-02-11 03:47:20,728 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:20,728 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2022-02-11 03:47:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:20,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:47:20,812 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_352 (Array Int Int))) (= c_~i~0 (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_352) c_~f~0.base))) (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ c_~f~0.offset (* c_~j~0 4))) 4)))))) is different from false [2022-02-11 03:47:20,824 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_352 (Array Int Int))) (= (select (select |c_#memory_int| c_~f~0.base) (+ c_~f~0.offset (* c_~i2~0 4))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_352) c_~f~0.base))) (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ c_~f~0.offset (* c_~j~0 4))) 4)))))) is different from false [2022-02-11 03:47:20,830 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_352 (Array Int Int))) (= (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_352) c_~f~0.base))) (select .cse0 (+ c_~f~0.offset (* (select .cse0 (+ c_~f~0.offset (* c_~j~0 4))) 4)))) (select (select |c_#memory_int| c_~f~0.base) (+ c_~f~0.offset (* c_~i~0 4))))) is different from false [2022-02-11 03:47:20,885 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:20,885 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 116 [2022-02-11 03:47:20,894 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:20,894 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 34 [2022-02-11 03:47:21,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:21,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798628727] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:21,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 03:47:21,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [30, 27] total 66 [2022-02-11 03:47:21,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072098504] [2022-02-11 03:47:21,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:21,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-11 03:47:21,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:21,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-11 03:47:21,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=3626, Unknown=3, NotChecked=372, Total=4290 [2022-02-11 03:47:21,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:21,667 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:21,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 6.222222222222222) internal successors, (168), 27 states have internal predecessors, (168), 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) [2022-02-11 03:47:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:21,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:21,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:21,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:21,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:21,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:21,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:21,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:47:21,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:47:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 03:47:22,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-11 03:47:22,703 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,SelfDestructingSolverStorable12 [2022-02-11 03:47:22,704 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:22,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1901131561, now seen corresponding path program 12 times [2022-02-11 03:47:22,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:22,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503172501] [2022-02-11 03:47:22,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:22,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:23,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:23,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503172501] [2022-02-11 03:47:23,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503172501] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:23,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547125293] [2022-02-11 03:47:23,562 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-11 03:47:23,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:23,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:23,565 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) [2022-02-11 03:47:23,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-11 03:47:23,673 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-02-11 03:47:23,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:47:23,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-11 03:47:23,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:24,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 03:47:24,304 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 18 treesize of output 20 [2022-02-11 03:47:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-11 03:47:24,358 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 18 treesize of output 20 [2022-02-11 03:47:24,596 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-11 03:47:24,597 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 26 [2022-02-11 03:47:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-11 03:47:24,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-11 03:47:24,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547125293] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:24,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-11 03:47:24,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [31] total 46 [2022-02-11 03:47:24,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298782124] [2022-02-11 03:47:24,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:24,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-11 03:47:24,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:24,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-11 03:47:24,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1947, Unknown=0, NotChecked=0, Total=2070 [2022-02-11 03:47:24,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:24,638 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:24,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.318181818181818) internal successors, (161), 22 states have internal predecessors, (161), 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) [2022-02-11 03:47:24,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:24,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:24,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:24,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-11 03:47:24,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-11 03:47:24,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-02-11 03:47:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-11 03:47:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:47:26,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-11 03:47:26,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 03:47:26,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 03:47:26,031 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 03:47:26,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-11 03:47:26,252 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,SelfDestructingSolverStorable13 [2022-02-11 03:47:26,257 INFO L733 BasicCegarLoop]: Path program histogram: [12, 1, 1] [2022-02-11 03:47:26,259 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 03:47:26,259 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 03:47:26,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 03:47:26 BasicIcfg [2022-02-11 03:47:26,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 03:47:26,261 INFO L158 Benchmark]: Toolchain (without parser) took 78376.58ms. Allocated memory was 203.4MB in the beginning and 822.1MB in the end (delta: 618.7MB). Free memory was 153.2MB in the beginning and 338.1MB in the end (delta: -184.9MB). Peak memory consumption was 433.9MB. Max. memory is 8.0GB. [2022-02-11 03:47:26,261 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory is still 170.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 03:47:26,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.26ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 178.4MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-11 03:47:26,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.96ms. Allocated memory is still 203.4MB. Free memory was 178.4MB in the beginning and 176.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 03:47:26,262 INFO L158 Benchmark]: Boogie Preprocessor took 40.06ms. Allocated memory is still 203.4MB. Free memory was 176.4MB in the beginning and 174.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 03:47:26,262 INFO L158 Benchmark]: RCFGBuilder took 439.34ms. Allocated memory is still 203.4MB. Free memory was 174.3MB in the beginning and 151.8MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-02-11 03:47:26,262 INFO L158 Benchmark]: TraceAbstraction took 77584.69ms. Allocated memory was 203.4MB in the beginning and 822.1MB in the end (delta: 618.7MB). Free memory was 151.2MB in the beginning and 338.1MB in the end (delta: -186.8MB). Peak memory consumption was 432.4MB. Max. memory is 8.0GB. [2022-02-11 03:47:26,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 203.4MB. Free memory is still 170.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 256.26ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 178.4MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.96ms. Allocated memory is still 203.4MB. Free memory was 178.4MB in the beginning and 176.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.06ms. Allocated memory is still 203.4MB. Free memory was 176.4MB in the beginning and 174.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 439.34ms. Allocated memory is still 203.4MB. Free memory was 174.3MB in the beginning and 151.8MB in the end (delta: 22.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 77584.69ms. Allocated memory was 203.4MB in the beginning and 822.1MB in the end (delta: 618.7MB). Free memory was 151.2MB in the beginning and 338.1MB in the end (delta: -186.8MB). Peak memory consumption was 432.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15528, positive: 15006, positive conditional: 13380, positive unconditional: 1626, negative: 522, negative conditional: 478, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15336, positive: 15006, positive conditional: 13380, positive unconditional: 1626, negative: 330, negative conditional: 286, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15336, positive: 15006, positive conditional: 13380, positive unconditional: 1626, negative: 330, negative conditional: 286, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17065, positive: 15006, positive conditional: 13134, positive unconditional: 1872, negative: 2059, negative conditional: 1729, negative unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17065, positive: 15006, positive conditional: 3754, positive unconditional: 11252, negative: 2059, negative conditional: 231, negative unconditional: 1828, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17065, positive: 15006, positive conditional: 3754, positive unconditional: 11252, negative: 2059, negative conditional: 231, negative unconditional: 1828, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1708, positive: 1643, positive conditional: 17, positive unconditional: 1626, negative: 65, negative conditional: 21, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1708, positive: 1618, positive conditional: 0, positive unconditional: 1618, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 90, positive: 25, positive conditional: 17, positive unconditional: 8, negative: 65, negative conditional: 21, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 65, positive conditional: 50, positive unconditional: 15, negative: 146, negative conditional: 24, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17065, positive: 13363, positive conditional: 3737, positive unconditional: 9626, negative: 1994, negative conditional: 210, negative unconditional: 1784, unknown: 1708, unknown conditional: 38, unknown unconditional: 1670] , Statistics on independence cache: Total cache size (in pairs): 1708, Positive cache size: 1643, Positive conditional cache size: 17, Positive unconditional cache size: 1626, Negative cache size: 65, Negative conditional cache size: 21, Negative unconditional cache size: 44, Eliminated conditions: 10878, Maximal queried relation: 13, Independence queries for same thread: 192 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1315, Number of trivial persistent sets: 1174, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1670, positive: 1626, positive conditional: 0, positive unconditional: 1626, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15528, positive: 15006, positive conditional: 13380, positive unconditional: 1626, negative: 522, negative conditional: 478, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15336, positive: 15006, positive conditional: 13380, positive unconditional: 1626, negative: 330, negative conditional: 286, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15336, positive: 15006, positive conditional: 13380, positive unconditional: 1626, negative: 330, negative conditional: 286, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17065, positive: 15006, positive conditional: 13134, positive unconditional: 1872, negative: 2059, negative conditional: 1729, negative unconditional: 330, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17065, positive: 15006, positive conditional: 3754, positive unconditional: 11252, negative: 2059, negative conditional: 231, negative unconditional: 1828, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17065, positive: 15006, positive conditional: 3754, positive unconditional: 11252, negative: 2059, negative conditional: 231, negative unconditional: 1828, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1708, positive: 1643, positive conditional: 17, positive unconditional: 1626, negative: 65, negative conditional: 21, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1708, positive: 1618, positive conditional: 0, positive unconditional: 1618, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 90, positive: 25, positive conditional: 17, positive unconditional: 8, negative: 65, negative conditional: 21, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 65, positive conditional: 50, positive unconditional: 15, negative: 146, negative conditional: 24, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17065, positive: 13363, positive conditional: 3737, positive unconditional: 9626, negative: 1994, negative conditional: 210, negative unconditional: 1784, unknown: 1708, unknown conditional: 38, unknown unconditional: 1670] , Statistics on independence cache: Total cache size (in pairs): 1708, Positive cache size: 1643, Positive conditional cache size: 17, Positive unconditional cache size: 1626, Negative cache size: 65, Negative conditional cache size: 21, Negative unconditional cache size: 44, Eliminated conditions: 10878, Maximal queried relation: 13, Independence queries for same thread: 192 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 161]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 215 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 77.5s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 14.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 283, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 59.2s InterpolantComputationTime, 3603 NumberOfCodeBlocks, 3537 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4235 ConstructedInterpolants, 204 QuantifiedInterpolants, 43151 SizeOfPredicates, 206 NumberOfNonLiveVariables, 2984 ConjunctsInSsa, 364 ConjunctsInUnsatCore, 26 InterpolantComputations, 11 PerfectInterpolantSequences, 41/120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 03:47:26,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 03:47:26,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...