/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 02:10:50,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 02:10:50,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 02:10:50,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 02:10:50,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 02:10:50,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 02:10:50,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 02:10:50,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 02:10:50,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 02:10:50,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 02:10:50,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 02:10:50,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 02:10:50,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 02:10:50,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 02:10:50,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 02:10:50,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 02:10:50,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 02:10:50,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 02:10:50,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 02:10:50,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 02:10:50,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 02:10:50,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 02:10:50,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 02:10:50,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 02:10:50,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 02:10:50,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 02:10:50,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 02:10:50,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 02:10:50,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 02:10:50,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 02:10:50,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 02:10:50,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 02:10:50,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 02:10:50,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 02:10:50,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 02:10:50,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 02:10:50,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 02:10:50,433 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 02:10:50,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 02:10:50,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 02:10:50,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 02:10:50,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 02:10:50,434 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 02:10:50,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 02:10:50,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 02:10:50,435 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 02:10:50,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 02:10:50,435 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 02:10:50,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 02:10:50,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 02:10:50,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 02:10:50,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 02:10:50,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 02:10:50,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 02:10:50,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 02:10:50,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 02:10:50,437 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 02:10:50,438 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 02:10:50,439 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 02:10:50,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 02:10:50,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 02:10:50,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 02:10:50,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 02:10:50,670 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 02:10:50,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2022-02-19 02:10:50,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a17cfce/bf97420bfdc1492285803f0e8dd1c676/FLAG941cedc90 [2022-02-19 02:10:51,045 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 02:10:51,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2022-02-19 02:10:51,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a17cfce/bf97420bfdc1492285803f0e8dd1c676/FLAG941cedc90 [2022-02-19 02:10:51,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a17cfce/bf97420bfdc1492285803f0e8dd1c676 [2022-02-19 02:10:51,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 02:10:51,490 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 02:10:51,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 02:10:51,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 02:10:51,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 02:10:51,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c5b360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51, skipping insertion in model container [2022-02-19 02:10:51,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 02:10:51,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 02:10:51,702 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/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2022-02-19 02:10:51,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 02:10:51,728 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 02:10:51,769 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/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2022-02-19 02:10:51,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 02:10:51,785 INFO L208 MainTranslator]: Completed translation [2022-02-19 02:10:51,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51 WrapperNode [2022-02-19 02:10:51,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 02:10:51,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 02:10:51,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 02:10:51,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 02:10:51,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,843 INFO L137 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 191 [2022-02-19 02:10:51,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 02:10:51,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 02:10:51,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 02:10:51,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 02:10:51,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 02:10:51,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 02:10:51,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 02:10:51,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 02:10:51,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (1/1) ... [2022-02-19 02:10:51,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 02:10:51,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:10:51,915 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) [2022-02-19 02:10:51,929 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 [2022-02-19 02:10:51,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 02:10:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 02:10:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 02:10:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-19 02:10:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 02:10:51,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 02:10:51,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 02:10:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 02:10:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 02:10:51,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 02:10:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 02:10:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-19 02:10:51,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-19 02:10:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-19 02:10:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 02:10:51,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 02:10:51,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 02:10:51,957 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 02:10:52,036 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 02:10:52,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 02:10:52,324 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 02:10:52,445 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 02:10:52,445 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-19 02:10:52,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:10:52 BoogieIcfgContainer [2022-02-19 02:10:52,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 02:10:52,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 02:10:52,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 02:10:52,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 02:10:52,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 02:10:51" (1/3) ... [2022-02-19 02:10:52,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6912e18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:10:52, skipping insertion in model container [2022-02-19 02:10:52,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 02:10:51" (2/3) ... [2022-02-19 02:10:52,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6912e18a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 02:10:52, skipping insertion in model container [2022-02-19 02:10:52,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 02:10:52" (3/3) ... [2022-02-19 02:10:52,459 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2022-02-19 02:10:52,463 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 02:10:52,463 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 02:10:52,463 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 02:10:52,463 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 02:10:52,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,514 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,514 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,514 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,514 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,516 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,523 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,524 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,525 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,526 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,526 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,526 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,526 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,527 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,531 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,531 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,531 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,531 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,532 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,532 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,532 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,532 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,532 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,532 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,533 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,533 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,533 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,533 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,533 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,534 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,539 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,539 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~i~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,540 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,541 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,541 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,541 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,541 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,542 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,543 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 02:10:52,546 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 02:10:52,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 02:10:52,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:10:52,607 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) [2022-02-19 02:10:52,618 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 [2022-02-19 02:10:52,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 02:10:52,660 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 02:10:52,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 02:10:52,857 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:52,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:52,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2037022908, now seen corresponding path program 1 times [2022-02-19 02:10:52,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:52,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219313631] [2022-02-19 02:10:52,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:52,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:10:53,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:53,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219313631] [2022-02-19 02:10:53,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219313631] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:10:53,075 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:10:53,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 02:10:53,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012475674] [2022-02-19 02:10:53,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:10:53,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-19 02:10:53,081 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:10:53,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-19 02:10:53,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-19 02:10:53,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:10:53,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.5) internal successors, (109), 2 states have internal predecessors, (109), 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) [2022-02-19 02:10:53,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 02:10:53,131 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:53,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash -666791029, now seen corresponding path program 1 times [2022-02-19 02:10:53,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:53,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030572665] [2022-02-19 02:10:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:53,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:10:53,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:53,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030572665] [2022-02-19 02:10:53,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030572665] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:10:53,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:10:53,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 02:10:53,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385157636] [2022-02-19 02:10:53,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:10:53,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 02:10:53,366 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:10:53,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 02:10:53,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-19 02:10:53,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,367 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:10:53,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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) [2022-02-19 02:10:53,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:53,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 02:10:53,539 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:53,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:53,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1207616549, now seen corresponding path program 1 times [2022-02-19 02:10:53,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:53,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754842012] [2022-02-19 02:10:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:53,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:10:53,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:53,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754842012] [2022-02-19 02:10:53,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754842012] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:10:53,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:10:53,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-19 02:10:53,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967164097] [2022-02-19 02:10:53,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:10:53,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 02:10:53,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:10:53,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 02:10:53,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-02-19 02:10:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,781 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:10:53,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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) [2022-02-19 02:10:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:53,781 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:54,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:54,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 02:10:54,044 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:54,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:54,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1466532967, now seen corresponding path program 1 times [2022-02-19 02:10:54,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:54,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829477052] [2022-02-19 02:10:54,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:54,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:10:54,409 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:54,409 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829477052] [2022-02-19 02:10:54,409 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829477052] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:10:54,409 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:10:54,409 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-19 02:10:54,410 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483319830] [2022-02-19 02:10:54,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:10:54,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 02:10:54,410 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:10:54,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 02:10:54,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-02-19 02:10:54,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,414 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:10:54,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 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) [2022-02-19 02:10:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:54,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:54,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:54,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 02:10:54,780 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:54,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1793436759, now seen corresponding path program 1 times [2022-02-19 02:10:54,783 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:54,783 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410310640] [2022-02-19 02:10:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:10:54,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:54,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410310640] [2022-02-19 02:10:54,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410310640] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 02:10:54,901 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 02:10:54,901 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-19 02:10:54,902 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318336480] [2022-02-19 02:10:54,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:10:54,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 02:10:54,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:10:54,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 02:10:54,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-19 02:10:54,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,904 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:10:54,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2022-02-19 02:10:54,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:54,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:54,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:54,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:54,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:10:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:55,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-19 02:10:55,305 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:55,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1066942698, now seen corresponding path program 1 times [2022-02-19 02:10:55,306 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:55,306 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218259217] [2022-02-19 02:10:55,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:55,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:10:55,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:55,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218259217] [2022-02-19 02:10:55,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218259217] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:10:55,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569555762] [2022-02-19 02:10:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:55,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:10:55,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:10:55,401 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) [2022-02-19 02:10:55,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 02:10:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:55,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 02:10:55,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:10:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:10:55,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:10:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:10:56,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569555762] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-19 02:10:56,183 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-19 02:10:56,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2022-02-19 02:10:56,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120707658] [2022-02-19 02:10:56,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:10:56,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-19 02:10:56,185 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:10:56,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-19 02:10:56,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-02-19 02:10:56,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:56,187 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:10:56,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 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) [2022-02-19 02:10:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:10:56,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:56,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:56,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:10:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:10:56,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 02:10:56,494 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,SelfDestructingSolverStorable5 [2022-02-19 02:10:56,494 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:56,495 INFO L85 PathProgramCache]: Analyzing trace with hash 226971290, now seen corresponding path program 1 times [2022-02-19 02:10:56,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:56,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645902195] [2022-02-19 02:10:56,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:56,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:10:56,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:56,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645902195] [2022-02-19 02:10:56,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645902195] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:10:56,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006941143] [2022-02-19 02:10:56,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:56,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:10:56,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:10:56,596 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) [2022-02-19 02:10:56,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 02:10:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:56,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-19 02:10:56,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:10:56,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:10:56,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:10:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:10:57,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006941143] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-19 02:10:57,260 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-19 02:10:57,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 18 [2022-02-19 02:10:57,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346110588] [2022-02-19 02:10:57,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 02:10:57,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-19 02:10:57,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:10:57,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-19 02:10:57,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-02-19 02:10:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:57,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:10:57,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 9 states have internal predecessors, (117), 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) [2022-02-19 02:10:57,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:10:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:10:57,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:10:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:10:57,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:10:57,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:10:57,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:10:57,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:10:57,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 02:10:57,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:10:57,624 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:10:57,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:10:57,624 INFO L85 PathProgramCache]: Analyzing trace with hash -911566218, now seen corresponding path program 1 times [2022-02-19 02:10:57,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:10:57,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791179357] [2022-02-19 02:10:57,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:57,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:10:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:10:58,379 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:10:58,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791179357] [2022-02-19 02:10:58,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791179357] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:10:58,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384680406] [2022-02-19 02:10:58,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:10:58,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:10:58,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:10:58,381 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) [2022-02-19 02:10:58,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 02:10:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:10:58,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 57 conjunts are in the unsatisfiable core [2022-02-19 02:10:58,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:10:59,703 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:10:59,704 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 17 treesize of output 17 [2022-02-19 02:10:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:10:59,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:11:00,458 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:00,459 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 48 treesize of output 33 [2022-02-19 02:11:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:11:01,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384680406] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:11:01,697 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:11:01,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 18] total 53 [2022-02-19 02:11:01,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315037436] [2022-02-19 02:11:01,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:11:01,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-02-19 02:11:01,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:11:01,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-02-19 02:11:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=2376, Unknown=0, NotChecked=0, Total=2756 [2022-02-19 02:11:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:01,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:11:01,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.490566037735849) internal successors, (291), 53 states have internal predecessors, (291), 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) [2022-02-19 02:11:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:03,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:03,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:03,379 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:11:03,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:11:03,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1639426022, now seen corresponding path program 2 times [2022-02-19 02:11:03,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:11:03,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788568006] [2022-02-19 02:11:03,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:03,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:11:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:03,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:11:03,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788568006] [2022-02-19 02:11:03,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788568006] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:11:03,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030788878] [2022-02-19 02:11:03,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 02:11:03,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:03,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:11:03,650 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) [2022-02-19 02:11:03,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 02:11:03,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 02:11:03,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:11:03,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-19 02:11:03,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:11:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:04,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:11:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:04,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030788878] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:11:04,900 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:11:04,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 34 [2022-02-19 02:11:04,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184266066] [2022-02-19 02:11:04,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:11:04,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-02-19 02:11:04,902 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:11:04,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-02-19 02:11:04,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2022-02-19 02:11:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:04,906 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:11:04,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.970588235294118) internal successors, (271), 34 states have internal predecessors, (271), 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) [2022-02-19 02:11:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:04,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:04,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:04,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:11:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:05,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 02:11:05,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:06,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:06,044 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:11:06,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:11:06,045 INFO L85 PathProgramCache]: Analyzing trace with hash -652649800, now seen corresponding path program 1 times [2022-02-19 02:11:06,045 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:11:06,045 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343717051] [2022-02-19 02:11:06,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:06,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:11:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:06,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:06,402 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:11:06,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343717051] [2022-02-19 02:11:06,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343717051] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:11:06,403 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361755966] [2022-02-19 02:11:06,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:06,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:06,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:11:06,404 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) [2022-02-19 02:11:06,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 02:11:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:06,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-19 02:11:06,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:11:06,858 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2022-02-19 02:11:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:06,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:11:07,161 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:07,161 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 20 treesize of output 21 [2022-02-19 02:11:07,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 02:11:07,176 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:07,176 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 19 treesize of output 12 [2022-02-19 02:11:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:07,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361755966] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:11:07,520 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:11:07,520 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 23 [2022-02-19 02:11:07,520 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126512245] [2022-02-19 02:11:07,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:11:07,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-19 02:11:07,521 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:11:07,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-19 02:11:07,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2022-02-19 02:11:07,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:07,522 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:11:07,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.478260869565217) internal successors, (264), 23 states have internal predecessors, (264), 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) [2022-02-19 02:11:07,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:07,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:07,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:07,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:07,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:07,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:07,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:11:07,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:07,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 02:11:07,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:11:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:08,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:08,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:08,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:08,248 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:11:08,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:11:08,248 INFO L85 PathProgramCache]: Analyzing trace with hash 380727576, now seen corresponding path program 1 times [2022-02-19 02:11:08,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:11:08,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177545490] [2022-02-19 02:11:08,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:08,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:11:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:08,370 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:11:08,370 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177545490] [2022-02-19 02:11:08,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177545490] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:11:08,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22644644] [2022-02-19 02:11:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:08,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:08,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:11:08,372 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) [2022-02-19 02:11:08,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 02:11:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:08,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 02:11:08,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:11:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:08,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:11:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:09,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22644644] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:11:09,116 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:11:09,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2022-02-19 02:11:09,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945981909] [2022-02-19 02:11:09,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:11:09,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-19 02:11:09,117 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:11:09,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-19 02:11:09,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2022-02-19 02:11:09,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:09,118 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:11:09,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.458333333333333) internal successors, (179), 24 states have internal predecessors, (179), 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) [2022-02-19 02:11:09,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:09,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:09,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:09,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:09,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:09,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:09,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:11:09,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:09,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:09,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:09,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:09,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:09,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 02:11:09,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:09,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:09,646 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:11:09,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:11:09,646 INFO L85 PathProgramCache]: Analyzing trace with hash 639643994, now seen corresponding path program 2 times [2022-02-19 02:11:09,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:11:09,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336442583] [2022-02-19 02:11:09,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:09,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:11:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:09,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:11:09,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336442583] [2022-02-19 02:11:09,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336442583] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:11:09,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143989838] [2022-02-19 02:11:09,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 02:11:09,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:09,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:11:09,822 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) [2022-02-19 02:11:09,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 02:11:09,933 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 02:11:09,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:11:09,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-19 02:11:09,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:11:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:10,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:11:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:10,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143989838] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:11:10,864 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:11:10,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2022-02-19 02:11:10,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343096011] [2022-02-19 02:11:10,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:11:10,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-19 02:11:10,865 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:11:10,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-19 02:11:10,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=849, Unknown=0, NotChecked=0, Total=992 [2022-02-19 02:11:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:10,866 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:11:10,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.65625) internal successors, (213), 32 states have internal predecessors, (213), 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) [2022-02-19 02:11:10,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:10,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:10,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 02:11:10,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 02:11:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 02:11:11,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:11,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-19 02:11:11,912 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:11:11,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:11:11,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1832264938, now seen corresponding path program 3 times [2022-02-19 02:11:11,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:11:11,912 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826334483] [2022-02-19 02:11:11,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:11,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:11:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:12,008 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:11:12,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826334483] [2022-02-19 02:11:12,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826334483] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:11:12,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871299264] [2022-02-19 02:11:12,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 02:11:12,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:12,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:11:12,010 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) [2022-02-19 02:11:12,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 02:11:12,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-19 02:11:12,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:11:12,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-19 02:11:12,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:11:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:12,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:11:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 02:11:12,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871299264] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 02:11:12,689 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 02:11:12,689 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2022-02-19 02:11:12,689 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640589387] [2022-02-19 02:11:12,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 02:11:12,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-19 02:11:12,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 02:11:12,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-19 02:11:12,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2022-02-19 02:11:12,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:12,690 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 02:11:12,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.84) internal successors, (221), 25 states have internal predecessors, (221), 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) [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 02:11:12,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 02:11:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-19 02:11:12,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-19 02:11:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-19 02:11:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 02:11:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-19 02:11:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-19 02:11:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-19 02:11:14,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 02:11:14,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:14,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-19 02:11:14,747 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 02:11:14,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 02:11:14,748 INFO L85 PathProgramCache]: Analyzing trace with hash -692900226, now seen corresponding path program 4 times [2022-02-19 02:11:14,748 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 02:11:14,748 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917218867] [2022-02-19 02:11:14,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 02:11:14,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 02:11:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 02:11:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:11:15,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 02:11:15,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917218867] [2022-02-19 02:11:15,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917218867] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 02:11:15,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255800294] [2022-02-19 02:11:15,842 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 02:11:15,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 02:11:15,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 02:11:15,844 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 02:11:15,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 02:11:15,951 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 02:11:15,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 02:11:15,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 69 conjunts are in the unsatisfiable core [2022-02-19 02:11:15,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 02:11:16,659 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 02:11:17,111 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 [2022-02-19 02:11:17,206 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 [2022-02-19 02:11:17,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 02:11:17,376 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-19 02:11:17,604 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:17,604 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 19 treesize of output 19 [2022-02-19 02:11:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 02:11:17,808 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 02:11:18,825 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread3Thread1of1ForFork1_~i~2#1_37| Int)) (or (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_37|) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_37| 2) c_~N~0) (and (forall ((v_ArrVal_363 (Array Int Int))) (<= (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) c_~res1~0) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_363) c_~A~0.base) (+ c_~A~0.offset (* |v_thread3Thread1of1ForFork1_~i~2#1_37| 4))) c_~res2~0))) (forall ((v_ArrVal_363 (Array Int Int))) (< (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_363) c_~A~0.base) (+ c_~A~0.offset (* |v_thread3Thread1of1ForFork1_~i~2#1_37| 4))) c_~res2~0) (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) c_~res1~0 1)))))) is different from false [2022-02-19 02:11:20,823 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_thread3Thread1of1ForFork1_~i~2#1_37| Int)) (or (< 0 |v_thread3Thread1of1ForFork1_~i~2#1_37|) (<= (+ |v_thread3Thread1of1ForFork1_~i~2#1_37| 2) c_~N~0) (and (forall ((v_ArrVal_362 (Array Int Int)) (v_ArrVal_361 (Array Int Int)) (v_ArrVal_363 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_361) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_362))) (< (+ c_~res2~0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_363) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ (* |v_thread3Thread1of1ForFork1_~i~2#1_37| 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|))) (+ (select (select .cse0 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|) c_~res1~0 1)))) (forall ((v_ArrVal_362 (Array Int Int)) (v_ArrVal_361 (Array Int Int)) (v_ArrVal_363 (Array Int Int))) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_361) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_362))) (<= (+ (select (select .cse1 |c_ULTIMATE.start_main_#t~ret12#1.base|) |c_ULTIMATE.start_main_#t~ret12#1.offset|) c_~res1~0) (+ c_~res2~0 (select (select (store .cse1 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_363) |c_ULTIMATE.start_main_#t~ret12#1.base|) (+ (* |v_thread3Thread1of1ForFork1_~i~2#1_37| 4) |c_ULTIMATE.start_main_#t~ret12#1.offset|))))))))) is different from false [2022-02-19 02:11:21,377 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:21,377 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 118 treesize of output 83 [2022-02-19 02:11:21,409 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:21,410 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 4146 treesize of output 3858 [2022-02-19 02:11:21,462 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:21,463 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 3813 treesize of output 3746 [2022-02-19 02:11:21,502 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3733 treesize of output 3637 [2022-02-19 02:11:21,531 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:21,531 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 3637 treesize of output 3610 [2022-02-19 02:11:21,549 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3597 treesize of output 3213 [2022-02-19 02:11:21,578 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:21,579 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 3213 treesize of output 3066 [2022-02-19 02:11:21,611 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 02:11:21,612 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 3053 treesize of output 2746 [2022-02-19 02:11:21,663 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-19 02:11:21,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:21,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-19 02:11:21,889 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-19 02:11:21,893 INFO L158 Benchmark]: Toolchain (without parser) took 30402.71ms. Allocated memory was 176.2MB in the beginning and 421.5MB in the end (delta: 245.4MB). Free memory was 123.2MB in the beginning and 350.0MB in the end (delta: -226.8MB). Peak memory consumption was 213.8MB. Max. memory is 8.0GB. [2022-02-19 02:11:21,893 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 02:11:21,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.77ms. Allocated memory is still 176.2MB. Free memory was 123.1MB in the beginning and 149.6MB in the end (delta: -26.5MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-02-19 02:11:21,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.26ms. Allocated memory is still 176.2MB. Free memory was 149.6MB in the beginning and 147.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 02:11:21,894 INFO L158 Benchmark]: Boogie Preprocessor took 36.62ms. Allocated memory is still 176.2MB. Free memory was 147.5MB in the beginning and 145.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 02:11:21,894 INFO L158 Benchmark]: RCFGBuilder took 570.07ms. Allocated memory is still 176.2MB. Free memory was 145.8MB in the beginning and 118.2MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-02-19 02:11:21,895 INFO L158 Benchmark]: TraceAbstraction took 29438.60ms. Allocated memory was 176.2MB in the beginning and 421.5MB in the end (delta: 245.4MB). Free memory was 117.8MB in the beginning and 350.0MB in the end (delta: -232.1MB). Peak memory consumption was 208.1MB. Max. memory is 8.0GB. [2022-02-19 02:11:21,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 294.77ms. Allocated memory is still 176.2MB. Free memory was 123.1MB in the beginning and 149.6MB in the end (delta: -26.5MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.26ms. Allocated memory is still 176.2MB. Free memory was 149.6MB in the beginning and 147.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.62ms. Allocated memory is still 176.2MB. Free memory was 147.5MB in the beginning and 145.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 570.07ms. Allocated memory is still 176.2MB. Free memory was 145.8MB in the beginning and 118.2MB in the end (delta: 27.6MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 29438.60ms. Allocated memory was 176.2MB in the beginning and 421.5MB in the end (delta: 245.4MB). Free memory was 117.8MB in the beginning and 350.0MB in the end (delta: -232.1MB). Peak memory consumption was 208.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-19 02:11:21,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 02:11:22,144 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...