/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-bad-ring-nondet.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 12:20:29,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 12:20:29,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 12:20:29,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 12:20:29,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 12:20:29,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 12:20:29,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 12:20:29,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 12:20:29,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 12:20:29,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 12:20:29,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 12:20:29,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 12:20:29,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 12:20:29,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 12:20:29,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 12:20:29,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 12:20:29,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 12:20:29,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 12:20:29,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 12:20:29,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 12:20:29,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 12:20:29,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 12:20:29,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 12:20:29,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 12:20:29,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 12:20:29,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 12:20:29,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 12:20:29,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 12:20:29,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 12:20:29,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 12:20:29,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 12:20:29,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 12:20:29,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 12:20:29,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 12:20:29,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 12:20:29,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 12:20:29,576 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 [2022-02-09 12:20:29,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 12:20:29,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 12:20:29,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 12:20:29,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 12:20:29,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 12:20:29,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 12:20:29,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 12:20:29,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 12:20:29,602 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 12:20:29,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 12:20:29,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 12:20:29,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 12:20:29,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 12:20:29,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 12:20:29,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 12:20:29,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 12:20:29,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 12:20:29,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 12:20:29,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 12:20:29,605 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 12:20:29,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 12:20:29,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 12:20:29,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 12:20:29,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 12:20:29,606 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 12:20:29,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 12:20:29,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 12:20:29,606 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 12:20:29,606 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 12:20:29,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 12:20:29,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 12:20:29,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 12:20:29,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 12:20:29,814 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 12:20:29,815 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 12:20:29,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2022-02-09 12:20:29,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248f7ffbc/453ccd63e5084df88791a12aef0727c1/FLAG7150d8a5f [2022-02-09 12:20:30,240 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 12:20:30,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2022-02-09 12:20:30,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248f7ffbc/453ccd63e5084df88791a12aef0727c1/FLAG7150d8a5f [2022-02-09 12:20:30,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248f7ffbc/453ccd63e5084df88791a12aef0727c1 [2022-02-09 12:20:30,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 12:20:30,268 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 12:20:30,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 12:20:30,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 12:20:30,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 12:20:30,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662e80e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30, skipping insertion in model container [2022-02-09 12:20:30,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 12:20:30,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 12:20:30,493 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-bad-ring-nondet.wvr.c[4085,4098] [2022-02-09 12:20:30,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 12:20:30,506 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 12:20:30,544 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-bad-ring-nondet.wvr.c[4085,4098] [2022-02-09 12:20:30,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 12:20:30,555 INFO L208 MainTranslator]: Completed translation [2022-02-09 12:20:30,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30 WrapperNode [2022-02-09 12:20:30,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 12:20:30,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 12:20:30,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 12:20:30,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 12:20:30,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,610 INFO L137 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 317 [2022-02-09 12:20:30,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 12:20:30,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 12:20:30,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 12:20:30,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 12:20:30,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 12:20:30,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 12:20:30,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 12:20:30,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 12:20:30,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (1/1) ... [2022-02-09 12:20:30,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 12:20:30,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:30,685 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) [2022-02-09 12:20:30,706 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 [2022-02-09 12:20:30,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 12:20:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 12:20:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 12:20:30,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 12:20:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 12:20:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 12:20:30,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 12:20:30,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 12:20:30,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 12:20:30,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 12:20:30,724 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 12:20:30,808 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 12:20:30,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 12:20:31,138 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 12:20:31,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 12:20:31,281 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-09 12:20:31,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:20:31 BoogieIcfgContainer [2022-02-09 12:20:31,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 12:20:31,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 12:20:31,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 12:20:31,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 12:20:31,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:20:30" (1/3) ... [2022-02-09 12:20:31,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cead82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:20:31, skipping insertion in model container [2022-02-09 12:20:31,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:20:30" (2/3) ... [2022-02-09 12:20:31,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17cead82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:20:31, skipping insertion in model container [2022-02-09 12:20:31,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:20:31" (3/3) ... [2022-02-09 12:20:31,303 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2022-02-09 12:20:31,313 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 12:20:31,313 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 12:20:31,313 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 12:20:31,314 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 12:20:31,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,390 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,391 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,392 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,394 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,395 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,396 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,397 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,398 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,399 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,400 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,401 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,402 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,402 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,402 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,403 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,404 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,405 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,405 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,405 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,405 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,405 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,413 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,414 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,415 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,415 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,415 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,415 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,415 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,416 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,417 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,418 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,419 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,423 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,424 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,425 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,426 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,427 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,431 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~s~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,432 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,433 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_~k~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,435 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 12:20:31,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 12:20:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:31,471 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) [2022-02-09 12:20:31,472 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 [2022-02-09 12:20:31,494 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 12:20:31,502 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 12:20:31,502 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 12:20:31,724 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,724 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,724 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:31,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:31,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:31,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1038056465, now seen corresponding path program 1 times [2022-02-09 12:20:31,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:31,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445287428] [2022-02-09 12:20:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:31,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 12:20:31,962 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:31,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445287428] [2022-02-09 12:20:31,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445287428] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:20:31,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 12:20:31,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 12:20:31,968 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313211367] [2022-02-09 12:20:31,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:20:31,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 12:20:31,974 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:31,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 12:20:31,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 12:20:31,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:31,994 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:31,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 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) [2022-02-09 12:20:31,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:32,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:32,051 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 12:20:32,081 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:32,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:32,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1958199693, now seen corresponding path program 1 times [2022-02-09 12:20:32,082 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:32,082 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942950550] [2022-02-09 12:20:32,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:32,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 12:20:32,325 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:32,325 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942950550] [2022-02-09 12:20:32,325 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942950550] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:20:32,325 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 12:20:32,325 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 12:20:32,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223539985] [2022-02-09 12:20:32,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:20:32,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 12:20:32,328 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:32,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 12:20:32,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 12:20:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,329 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:32,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 5 states have internal predecessors, (199), 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) [2022-02-09 12:20:32,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,468 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:32,469 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:32,469 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:32,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 12:20:32,510 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:32,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:32,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1506816268, now seen corresponding path program 1 times [2022-02-09 12:20:32,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:32,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899031557] [2022-02-09 12:20:32,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:32,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 12:20:32,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:32,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899031557] [2022-02-09 12:20:32,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899031557] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:20:32,622 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 12:20:32,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 12:20:32,623 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952292817] [2022-02-09 12:20:32,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:20:32,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 12:20:32,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:32,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 12:20:32,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 12:20:32,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,625 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:32,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2022-02-09 12:20:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:32,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:32,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 12:20:32,688 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:32,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:32,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2102728734, now seen corresponding path program 1 times [2022-02-09 12:20:32,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:32,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021339076] [2022-02-09 12:20:32,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:32,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 12:20:32,742 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:32,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021339076] [2022-02-09 12:20:32,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021339076] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:20:32,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064036029] [2022-02-09 12:20:32,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:32,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:32,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:32,763 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) [2022-02-09 12:20:32,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 12:20:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:32,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 12:20:32,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:20:33,203 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 24 treesize of output 8 [2022-02-09 12:20:33,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 12:20:33,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 12:20:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 12:20:33,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064036029] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 12:20:33,508 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 12:20:33,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-09 12:20:33,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436722552] [2022-02-09 12:20:33,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 12:20:33,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 12:20:33,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:33,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 12:20:33,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-09 12:20:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:33,510 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:33,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 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) [2022-02-09 12:20:33,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:33,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:33,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:33,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:33,556 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,556 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,556 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,576 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,577 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,578 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,586 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,586 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,586 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:33,622 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,893 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,894 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,894 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,898 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,899 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,905 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,905 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,905 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:34,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:34,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:34,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:34,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:34,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 12:20:35,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-09 12:20:35,158 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:35,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1583748086, now seen corresponding path program 2 times [2022-02-09 12:20:35,161 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:35,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677980232] [2022-02-09 12:20:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:35,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 12:20:35,321 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:35,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677980232] [2022-02-09 12:20:35,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677980232] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:20:35,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140610278] [2022-02-09 12:20:35,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 12:20:35,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:35,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:35,324 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) [2022-02-09 12:20:35,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 12:20:35,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-09 12:20:35,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 12:20:35,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 12:20:35,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:20:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-09 12:20:35,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 12:20:35,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140610278] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:20:35,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 12:20:35,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-02-09 12:20:35,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122059398] [2022-02-09 12:20:35,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:20:35,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 12:20:35,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:35,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 12:20:35,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-02-09 12:20:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:35,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:35,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 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) [2022-02-09 12:20:35,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:35,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:35,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:35,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:35,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:35,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,879 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,909 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,933 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,934 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:35,934 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,123 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,124 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,124 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,129 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,130 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,130 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,141 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,141 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,141 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:36,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 12:20:36,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:36,415 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:36,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash 127146768, now seen corresponding path program 1 times [2022-02-09 12:20:36,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:36,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34635911] [2022-02-09 12:20:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:36,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 12:20:36,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:36,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34635911] [2022-02-09 12:20:36,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34635911] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:20:36,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130889417] [2022-02-09 12:20:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:36,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:36,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:36,530 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) [2022-02-09 12:20:36,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 12:20:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:36,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-09 12:20:36,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:20:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-09 12:20:37,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 12:20:37,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130889417] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:20:37,021 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 12:20:37,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-02-09 12:20:37,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963804357] [2022-02-09 12:20:37,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:20:37,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 12:20:37,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:37,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 12:20:37,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-02-09 12:20:37,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:37,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:37,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2022-02-09 12:20:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:37,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:37,184 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:37,185 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:37,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:37,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 12:20:37,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:37,600 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:37,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:37,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1671493813, now seen corresponding path program 1 times [2022-02-09 12:20:37,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:37,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723302107] [2022-02-09 12:20:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:37,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-09 12:20:37,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:37,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723302107] [2022-02-09 12:20:37,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723302107] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:20:37,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589270742] [2022-02-09 12:20:37,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:37,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:37,744 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) [2022-02-09 12:20:37,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 12:20:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:37,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-09 12:20:37,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:20:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-09 12:20:38,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-09 12:20:38,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589270742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 12:20:38,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-09 12:20:38,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2022-02-09 12:20:38,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743210714] [2022-02-09 12:20:38,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 12:20:38,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 12:20:38,173 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:38,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 12:20:38,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-02-09 12:20:38,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:38,174 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:38,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 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) [2022-02-09 12:20:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:38,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:38,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:38,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:38,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:38,250 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,251 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,251 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,257 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,258 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,258 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,465 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,465 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,465 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,556 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,557 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,557 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:38,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:38,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:38,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:38,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 12:20:38,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:38,836 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:38,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:38,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1488210620, now seen corresponding path program 1 times [2022-02-09 12:20:38,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:38,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659148632] [2022-02-09 12:20:38,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:38,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 12:20:38,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:38,944 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659148632] [2022-02-09 12:20:38,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659148632] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:20:38,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231046419] [2022-02-09 12:20:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:38,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:38,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:38,957 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) [2022-02-09 12:20:38,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 12:20:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:39,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-09 12:20:39,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:20:39,607 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 11 treesize of output 3 [2022-02-09 12:20:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-09 12:20:39,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 12:20:39,779 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 12 treesize of output 4 [2022-02-09 12:20:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-09 12:20:40,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231046419] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 12:20:40,503 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 12:20:40,503 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 29 [2022-02-09 12:20:40,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616400447] [2022-02-09 12:20:40,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 12:20:40,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-09 12:20:40,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:40,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-09 12:20:40,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2022-02-09 12:20:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:40,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:40,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 17.482758620689655) internal successors, (507), 29 states have internal predecessors, (507), 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) [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:40,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:41,266 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,266 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,266 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,318 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,318 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,525 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,525 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,525 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,727 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,775 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,962 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,963 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:41,963 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:42,141 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:42,141 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:42,141 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:42,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 12:20:42,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 12:20:42,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:42,443 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 12:20:42,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 12:20:42,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1452208140, now seen corresponding path program 2 times [2022-02-09 12:20:42,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 12:20:42,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707255159] [2022-02-09 12:20:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 12:20:42,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 12:20:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 12:20:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 12:20:42,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 12:20:42,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707255159] [2022-02-09 12:20:42,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707255159] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 12:20:42,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753591135] [2022-02-09 12:20:42,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 12:20:42,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:42,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 12:20:42,712 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) [2022-02-09 12:20:42,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 12:20:42,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 12:20:42,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 12:20:42,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-09 12:20:42,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 12:20:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 12:20:43,713 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-09 12:20:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 12:20:43,758 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-09 12:20:43,822 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 24 treesize of output 8 [2022-02-09 12:20:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 12:20:43,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 12:20:44,063 WARN L838 $PredicateComparison]: unable to prove that (or (= 2 |c_thread1Thread1of1ForFork0_#t~mem1#1|) (forall ((v_ArrVal_308 (Array Int Int))) (not (= 2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_308) c_~q1~0.base) (+ (* c_~q1_back~0 4) c_~q1~0.offset)))))) is different from false [2022-02-09 12:20:44,135 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ArrVal_308 (Array Int Int)) (v_ArrVal_307 (Array Int Int))) (not (= 2 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_307) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_308) c_~q1~0.base) (+ (* c_~q1_back~0 4) c_~q1~0.offset))))) (= 2 |c_thread1Thread1of1ForFork0_#t~mem1#1|)) is different from false [2022-02-09 12:20:44,159 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 166 treesize of output 142 [2022-02-09 12:20:44,163 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 138 treesize of output 126 [2022-02-09 12:20:44,165 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 126 treesize of output 102 [2022-02-09 12:20:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 12:20:44,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753591135] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 12:20:44,859 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 12:20:44,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 29 [2022-02-09 12:20:44,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742469994] [2022-02-09 12:20:44,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 12:20:44,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-09 12:20:44,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 12:20:44,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-09 12:20:44,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=621, Unknown=2, NotChecked=102, Total=812 [2022-02-09 12:20:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:44,861 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 12:20:44,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 16.482758620689655) internal successors, (478), 29 states have internal predecessors, (478), 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) [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 12:20:44,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:45,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short7#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,410 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem6#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,562 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,562 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,562 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,764 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,764 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,764 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:45,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,321 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,326 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,326 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,326 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,349 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,349 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,350 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,354 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,354 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,355 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,449 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,449 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~short17#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,449 WARN L322 ript$VariableManager]: TermVariabe |v_thread3_#t~mem16#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,621 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,622 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,654 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,655 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short12#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,655 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem11#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 12:20:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 12:20:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 12:20:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 12:20:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 12:20:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-09 12:20:46,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 12:20:46,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-09 12:20:46,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 12:20:46,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 12:20:46,998 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 12:20:47,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 12:20:47,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 12:20:47,222 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1] [2022-02-09 12:20:47,223 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 12:20:47,223 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 12:20:47,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 12:20:47 BasicIcfg [2022-02-09 12:20:47,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 12:20:47,225 INFO L158 Benchmark]: Toolchain (without parser) took 16957.28ms. Allocated memory was 162.5MB in the beginning and 947.9MB in the end (delta: 785.4MB). Free memory was 115.3MB in the beginning and 346.9MB in the end (delta: -231.6MB). Peak memory consumption was 552.7MB. Max. memory is 8.0GB. [2022-02-09 12:20:47,225 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 12:20:47,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.05ms. Allocated memory is still 162.5MB. Free memory was 115.1MB in the beginning and 139.5MB in the end (delta: -24.4MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. [2022-02-09 12:20:47,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.57ms. Allocated memory is still 162.5MB. Free memory was 139.5MB in the beginning and 136.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 12:20:47,226 INFO L158 Benchmark]: Boogie Preprocessor took 38.13ms. Allocated memory is still 162.5MB. Free memory was 136.7MB in the beginning and 135.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 12:20:47,226 INFO L158 Benchmark]: RCFGBuilder took 633.09ms. Allocated memory is still 162.5MB. Free memory was 135.0MB in the beginning and 101.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-02-09 12:20:47,226 INFO L158 Benchmark]: TraceAbstraction took 15940.68ms. Allocated memory was 162.5MB in the beginning and 947.9MB in the end (delta: 785.4MB). Free memory was 100.7MB in the beginning and 346.9MB in the end (delta: -246.2MB). Peak memory consumption was 539.7MB. Max. memory is 8.0GB. [2022-02-09 12:20:47,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 162.5MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 288.05ms. Allocated memory is still 162.5MB. Free memory was 115.1MB in the beginning and 139.5MB in the end (delta: -24.4MB). Peak memory consumption was 12.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.57ms. Allocated memory is still 162.5MB. Free memory was 139.5MB in the beginning and 136.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.13ms. Allocated memory is still 162.5MB. Free memory was 136.7MB in the beginning and 135.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 633.09ms. Allocated memory is still 162.5MB. Free memory was 135.0MB in the beginning and 101.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 15940.68ms. Allocated memory was 162.5MB in the beginning and 947.9MB in the end (delta: 785.4MB). Free memory was 100.7MB in the beginning and 346.9MB in the end (delta: -246.2MB). Peak memory consumption was 539.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 354300, positive: 318745, positive conditional: 313699, positive unconditional: 5046, negative: 35555, negative conditional: 35525, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319454, positive: 318745, positive conditional: 313699, positive unconditional: 5046, negative: 709, negative conditional: 679, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319454, positive: 318745, positive conditional: 313699, positive unconditional: 5046, negative: 709, negative conditional: 679, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 321866, positive: 318745, positive conditional: 313311, positive unconditional: 5434, negative: 3121, negative conditional: 2412, negative unconditional: 709, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 321866, positive: 318745, positive conditional: 91528, positive unconditional: 227217, negative: 3121, negative conditional: 975, negative unconditional: 2146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 321866, positive: 318745, positive conditional: 91528, positive unconditional: 227217, negative: 3121, negative conditional: 975, negative unconditional: 2146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3771, positive: 3688, positive conditional: 38, positive unconditional: 3650, negative: 83, negative conditional: 53, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3771, positive: 3645, positive conditional: 0, positive unconditional: 3645, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 43, positive conditional: 38, positive unconditional: 5, negative: 83, negative conditional: 53, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 433, positive: 141, positive conditional: 82, positive unconditional: 59, negative: 292, negative conditional: 174, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 321866, positive: 315057, positive conditional: 91490, positive unconditional: 223567, negative: 3038, negative conditional: 922, negative unconditional: 2116, unknown: 3771, unknown conditional: 91, unknown unconditional: 3680] , Statistics on independence cache: Total cache size (in pairs): 3771, Positive cache size: 3688, Positive conditional cache size: 38, Positive unconditional cache size: 3650, Negative cache size: 83, Negative conditional cache size: 53, Negative unconditional cache size: 30, Eliminated conditions: 223220, Maximal queried relation: 6, Independence queries for same thread: 34846 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 8953, Number of trivial persistent sets: 8673, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5076, positive: 5046, positive conditional: 0, positive unconditional: 5046, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 354300, positive: 318745, positive conditional: 313699, positive unconditional: 5046, negative: 35555, negative conditional: 35525, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 319454, positive: 318745, positive conditional: 313699, positive unconditional: 5046, negative: 709, negative conditional: 679, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 319454, positive: 318745, positive conditional: 313699, positive unconditional: 5046, negative: 709, negative conditional: 679, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 321866, positive: 318745, positive conditional: 313311, positive unconditional: 5434, negative: 3121, negative conditional: 2412, negative unconditional: 709, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 321866, positive: 318745, positive conditional: 91528, positive unconditional: 227217, negative: 3121, negative conditional: 975, negative unconditional: 2146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 321866, positive: 318745, positive conditional: 91528, positive unconditional: 227217, negative: 3121, negative conditional: 975, negative unconditional: 2146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3771, positive: 3688, positive conditional: 38, positive unconditional: 3650, negative: 83, negative conditional: 53, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3771, positive: 3645, positive conditional: 0, positive unconditional: 3645, negative: 126, negative conditional: 0, negative unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 126, positive: 43, positive conditional: 38, positive unconditional: 5, negative: 83, negative conditional: 53, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 433, positive: 141, positive conditional: 82, positive unconditional: 59, negative: 292, negative conditional: 174, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 321866, positive: 315057, positive conditional: 91490, positive unconditional: 223567, negative: 3038, negative conditional: 922, negative unconditional: 2116, unknown: 3771, unknown conditional: 91, unknown unconditional: 3680] , Statistics on independence cache: Total cache size (in pairs): 3771, Positive cache size: 3688, Positive conditional cache size: 38, Positive unconditional cache size: 3650, Negative cache size: 83, Negative conditional cache size: 53, Negative unconditional cache size: 30, Eliminated conditions: 223220, Maximal queried relation: 6, Independence queries for same thread: 34846 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 156]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 301 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 7.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 3448 NumberOfCodeBlocks, 3418 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4156 ConstructedInterpolants, 7 QuantifiedInterpolants, 15106 SizeOfPredicates, 61 NumberOfNonLiveVariables, 3236 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 215/274 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-09 12:20:47,249 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 [2022-02-09 12:20:47,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...