/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 06:40:59,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 06:40:59,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 06:40:59,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 06:40:59,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 06:40:59,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 06:40:59,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 06:40:59,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 06:40:59,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 06:40:59,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 06:40:59,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 06:40:59,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 06:40:59,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 06:40:59,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 06:40:59,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 06:40:59,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 06:40:59,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 06:40:59,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 06:40:59,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 06:40:59,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 06:40:59,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 06:40:59,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 06:40:59,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 06:40:59,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 06:40:59,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-09 06:40:59,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-09 06:40:59,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-09 06:40:59,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-09 06:40:59,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-09 06:40:59,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-09 06:40:59,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-09 06:40:59,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-09 06:40:59,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-09 06:40:59,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-09 06:40:59,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-09 06:40:59,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-09 06:40:59,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-09 06:40:59,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-09 06:40:59,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 06:40:59,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 06:40:59,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 06:40:59,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-09 06:40:59,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 06:40:59,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 06:40:59,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 06:40:59,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 06:40:59,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 06:40:59,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 06:40:59,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 06:40:59,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 06:40:59,314 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 06:40:59,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 06:40:59,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 06:40:59,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:40:59,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 06:40:59,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 06:40:59,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 06:40:59,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 06:40:59,317 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 06:40:59,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 06:40:59,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 06:40:59,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 06:40:59,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 06:40:59,523 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 06:40:59,527 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 06:40:59,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-02-09 06:40:59,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd682668/e60f1fb9e99046c08dbfd9da169793c0/FLAG81703ca65 [2022-02-09 06:40:59,952 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 06:40:59,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2022-02-09 06:40:59,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd682668/e60f1fb9e99046c08dbfd9da169793c0/FLAG81703ca65 [2022-02-09 06:40:59,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd682668/e60f1fb9e99046c08dbfd9da169793c0 [2022-02-09 06:40:59,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 06:40:59,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 06:40:59,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 06:40:59,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 06:40:59,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 06:40:59,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:40:59" (1/1) ... [2022-02-09 06:40:59,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6be1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:40:59, skipping insertion in model container [2022-02-09 06:40:59,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 06:40:59" (1/1) ... [2022-02-09 06:40:59,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 06:41:00,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 06:41:00,253 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-buffer-mult-alt.wvr.c[4293,4306] [2022-02-09 06:41:00,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:41:00,268 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 06:41:00,300 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-buffer-mult-alt.wvr.c[4293,4306] [2022-02-09 06:41:00,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 06:41:00,315 INFO L208 MainTranslator]: Completed translation [2022-02-09 06:41:00,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00 WrapperNode [2022-02-09 06:41:00,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 06:41:00,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 06:41:00,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 06:41:00,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 06:41:00,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,376 INFO L137 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 319 [2022-02-09 06:41:00,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 06:41:00,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 06:41:00,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 06:41:00,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 06:41:00,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 06:41:00,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 06:41:00,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 06:41:00,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 06:41:00,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (1/1) ... [2022-02-09 06:41:00,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 06:41:00,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:41:00,435 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 06:41:00,451 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 06:41:00,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 06:41:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 06:41:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 06:41:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 06:41:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 06:41:00,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 06:41:00,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 06:41:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 06:41:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 06:41:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 06:41:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 06:41:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 06:41:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 06:41:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 06:41:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 06:41:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-09 06:41:00,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 06:41:00,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 06:41:00,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 06:41:00,465 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 06:41:00,578 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 06:41:00,579 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 06:41:00,930 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 06:41:01,056 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 06:41:01,057 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-09 06:41:01,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:41:01 BoogieIcfgContainer [2022-02-09 06:41:01,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 06:41:01,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 06:41:01,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 06:41:01,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 06:41:01,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 06:40:59" (1/3) ... [2022-02-09 06:41:01,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebeb2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:41:01, skipping insertion in model container [2022-02-09 06:41:01,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 06:41:00" (2/3) ... [2022-02-09 06:41:01,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebeb2ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:41:01, skipping insertion in model container [2022-02-09 06:41:01,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:41:01" (3/3) ... [2022-02-09 06:41:01,068 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2022-02-09 06:41:01,072 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 06:41:01,073 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 06:41:01,073 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 06:41:01,073 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 06:41:01,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,118 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,124 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,125 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,129 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,130 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,131 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,132 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,132 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,132 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,133 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,134 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,135 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,136 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,137 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,137 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,139 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,143 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,145 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,146 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,147 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,148 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,149 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,153 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,154 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,154 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,154 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,154 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,155 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,158 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_~cond~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,159 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:01,162 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 06:41:01,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 06:41:01,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:41:01,203 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 06:41:01,204 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 06:41:01,225 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 06:41:01,231 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 06:41:01,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 06:41:01,306 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:41:01,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:41:01,309 INFO L85 PathProgramCache]: Analyzing trace with hash 688051854, now seen corresponding path program 1 times [2022-02-09 06:41:01,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:41:01,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357403406] [2022-02-09 06:41:01,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:41:01,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:41:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:41:01,525 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 06:41:01,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:41:01,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357403406] [2022-02-09 06:41:01,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357403406] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:41:01,526 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:41:01,526 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 06:41:01,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236971584] [2022-02-09 06:41:01,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:41:01,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 06:41:01,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:41:01,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 06:41:01,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 06:41:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:01,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:41:01,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.5) internal successors, (189), 2 states have internal predecessors, (189), 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 06:41:01,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:01,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:01,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 06:41:01,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:41:01,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:41:01,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1645014852, now seen corresponding path program 1 times [2022-02-09 06:41:01,601 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:41:01,601 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236848898] [2022-02-09 06:41:01,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:41:01,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:41:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:41:02,018 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 06:41:02,019 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:41:02,019 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236848898] [2022-02-09 06:41:02,019 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236848898] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:41:02,019 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:41:02,019 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 06:41:02,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500445462] [2022-02-09 06:41:02,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:41:02,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 06:41:02,025 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:41:02,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 06:41:02,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-09 06:41:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:41:02,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 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 06:41:02,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,200 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,201 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,201 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:02,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 06:41:02,277 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:41:02,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:41:02,277 INFO L85 PathProgramCache]: Analyzing trace with hash -815697319, now seen corresponding path program 1 times [2022-02-09 06:41:02,277 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:41:02,277 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656313837] [2022-02-09 06:41:02,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:41:02,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:41:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:41:02,487 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 06:41:02,488 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:41:02,488 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656313837] [2022-02-09 06:41:02,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656313837] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:41:02,489 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:41:02,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 06:41:02,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70963271] [2022-02-09 06:41:02,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:41:02,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 06:41:02,490 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:41:02,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 06:41:02,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-02-09 06:41:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,491 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:41:02,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.571428571428573) internal successors, (186), 7 states have internal predecessors, (186), 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 06:41:02,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:02,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,545 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,546 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,546 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:02,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:02,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 06:41:02,590 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:41:02,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:41:02,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1388196556, now seen corresponding path program 1 times [2022-02-09 06:41:02,591 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:41:02,591 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876931151] [2022-02-09 06:41:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:41:02,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:41:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:41:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:41:02,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:41:02,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876931151] [2022-02-09 06:41:02,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876931151] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:41:02,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:41:02,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 06:41:02,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290960097] [2022-02-09 06:41:02,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:41:02,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 06:41:02,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:41:02,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 06:41:02,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 06:41:02,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,677 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:41:02,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.5) internal successors, (189), 6 states have internal predecessors, (189), 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 06:41:02,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:02,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:02,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:02,727 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,728 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,801 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,801 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,801 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,822 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,822 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,822 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,831 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,831 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:02,831 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,253 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,253 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,253 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,263 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,268 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,317 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,322 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,331 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,331 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,332 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,347 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,348 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,348 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:41:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:41:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:41:03,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 06:41:03,388 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:41:03,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:41:03,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1011245739, now seen corresponding path program 1 times [2022-02-09 06:41:03,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:41:03,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305557198] [2022-02-09 06:41:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:41:03,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:41:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:41:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:41:05,094 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:41:05,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305557198] [2022-02-09 06:41:05,094 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305557198] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:41:05,094 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894632385] [2022-02-09 06:41:05,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:41:05,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:41:05,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:41:05,096 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 06:41:05,151 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 06:41:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:41:05,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 72 conjunts are in the unsatisfiable core [2022-02-09 06:41:05,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:41:05,434 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:41:05,480 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-09 06:41:05,480 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-09 06:41:05,544 INFO L353 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-02-09 06:41:05,544 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 30 [2022-02-09 06:41:06,546 INFO L353 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-02-09 06:41:06,546 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 34 [2022-02-09 06:41:06,769 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-09 06:41:08,043 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:41:08,216 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:41:08,362 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:41:08,504 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:41:08,998 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 25 treesize of output 7 [2022-02-09 06:41:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:41:09,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:41:12,097 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:41:12,097 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 61 [2022-02-09 06:41:12,122 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 1267 treesize of output 1235 [2022-02-09 06:41:12,132 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 619 treesize of output 523 [2022-02-09 06:41:12,141 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 1139 treesize of output 1115 [2022-02-09 06:41:12,151 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 1115 treesize of output 1067 [2022-02-09 06:41:12,161 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 1067 treesize of output 875 [2022-02-09 06:44:06,167 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 10 treesize of output 8 [2022-02-09 06:44:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:44:06,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894632385] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:44:06,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:44:06,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 30] total 81 [2022-02-09 06:44:06,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400410605] [2022-02-09 06:44:06,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:44:06,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-02-09 06:44:06,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:44:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-02-09 06:44:06,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=856, Invalid=5583, Unknown=41, NotChecked=0, Total=6480 [2022-02-09 06:44:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:06,209 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:44:06,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 6.197530864197531) internal successors, (502), 81 states have internal predecessors, (502), 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 06:44:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:06,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:06,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:06,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:06,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:10,235 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:10,236 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:10,236 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:11,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:44:11,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 06:44:11,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:44:11,841 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:44:11,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:44:11,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1498462626, now seen corresponding path program 1 times [2022-02-09 06:44:11,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:44:11,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480603417] [2022-02-09 06:44:11,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:44:11,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:44:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:44:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-09 06:44:11,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:44:11,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480603417] [2022-02-09 06:44:11,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480603417] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 06:44:11,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 06:44:11,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 06:44:11,931 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764043593] [2022-02-09 06:44:11,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 06:44:11,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 06:44:11,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:44:11,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 06:44:11,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-09 06:44:11,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:11,934 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:44:11,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 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 06:44:11,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:11,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:11,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:11,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:11,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-09 06:44:11,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:11,972 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:11,973 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:11,973 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:12,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-09 06:44:12,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:44:12,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 06:44:12,541 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:44:12,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:44:12,542 INFO L85 PathProgramCache]: Analyzing trace with hash -753130590, now seen corresponding path program 2 times [2022-02-09 06:44:12,542 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:44:12,542 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740958788] [2022-02-09 06:44:12,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:44:12,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:44:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:44:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:44:12,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:44:12,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740958788] [2022-02-09 06:44:12,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740958788] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:44:12,656 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284316026] [2022-02-09 06:44:12,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 06:44:12,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:44:12,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:44:12,658 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 06:44:12,696 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 06:44:12,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 06:44:12,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 06:44:12,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-09 06:44:12,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:44:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:44:13,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:44:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:44:13,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284316026] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 06:44:13,669 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 06:44:13,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-09 06:44:13,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613192199] [2022-02-09 06:44:13,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 06:44:13,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 06:44:13,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 06:44:13,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 06:44:13,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-02-09 06:44:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:13,672 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 06:44:13,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.842105263157896) internal successors, (244), 19 states have internal predecessors, (244), 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 06:44:13,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:13,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:13,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:13,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:13,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-09 06:44:13,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:44:13,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:13,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:13,871 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:13,872 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,359 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,437 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,437 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,437 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,447 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,453 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,453 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,454 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,458 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,459 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:14,459 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,368 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,369 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,379 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,379 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,379 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,382 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,382 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,383 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,385 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,399 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,399 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,400 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,409 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,409 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,409 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,419 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,637 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,637 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,637 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,641 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,643 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,644 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,644 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,651 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~mem5#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,748 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,748 WARN L322 ript$VariableManager]: TermVariabe |v_thread2_#t~short6#1_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,752 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,753 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,765 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,765 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,765 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,768 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,768 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,768 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,771 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,771 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,771 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,775 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,775 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~short2#1_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,776 WARN L322 ript$VariableManager]: TermVariabe |v_thread1_#t~mem1#1_32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 06:44:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 06:44:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 06:44:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-09 06:44:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 06:44:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 06:44:16,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-09 06:44:16,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:44:16,218 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 06:44:16,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 06:44:16,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1170468998, now seen corresponding path program 1 times [2022-02-09 06:44:16,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 06:44:16,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897055922] [2022-02-09 06:44:16,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:44:16,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 06:44:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:44:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 06:44:16,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 06:44:16,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897055922] [2022-02-09 06:44:16,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897055922] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 06:44:16,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336994049] [2022-02-09 06:44:16,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 06:44:16,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:44:16,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 06:44:16,987 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 06:44:16,988 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 06:44:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 06:44:17,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-09 06:44:17,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 06:44:17,184 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:44:17,213 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-09 06:44:17,214 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-09 06:44:17,254 INFO L353 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-02-09 06:44:17,254 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2022-02-09 06:44:17,317 INFO L353 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-02-09 06:44:17,317 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 22 treesize of output 42 [2022-02-09 06:44:18,522 INFO L353 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2022-02-09 06:44:18,522 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 39 treesize of output 57 [2022-02-09 06:44:18,829 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-09 06:44:20,156 INFO L353 Elim1Store]: treesize reduction 4, result has 93.0 percent of original size [2022-02-09 06:44:20,157 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 38 treesize of output 80 [2022-02-09 06:44:20,864 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:44:21,459 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:44:21,603 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:44:21,734 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:44:21,847 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-09 06:44:22,264 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 23 treesize of output 7 [2022-02-09 06:44:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 06:44:22,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 06:44:26,353 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 06:44:26,353 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 67 [2022-02-09 06:44:26,376 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 1314795 treesize of output 1298411 [2022-02-09 06:44:30,052 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 649207 treesize of output 636919 [2022-02-09 06:44:33,665 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 1286123 treesize of output 1187819 [2022-02-09 06:44:37,029 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 1187819 treesize of output 991211 [2022-02-09 06:44:40,546 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 991211 treesize of output 942059 [2022-02-09 06:44:44,048 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 942059 treesize of output 917483 [2022-02-09 06:45:12,788 WARN L228 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 1618 DAG size of output: 1618 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-02-09 06:45:23,331 WARN L228 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 1616 DAG size of output: 1616 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2022-02-09 06:54:45,742 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 06:54:45,745 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-09 06:54:45,753 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 06:54:45,756 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 06:54:45,760 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 06:54:45,769 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 06:54:45,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 06:54:45,955 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 37ms.. [2022-02-09 06:54:45,957 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-09 06:54:45,957 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-09 06:54:45,957 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-09 06:54:45,957 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-09 06:54:45,962 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-02-09 06:54:45,964 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 06:54:45,964 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 06:54:45,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:54:45 BasicIcfg [2022-02-09 06:54:45,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 06:54:45,966 INFO L158 Benchmark]: Toolchain (without parser) took 825988.65ms. Allocated memory was 176.2MB in the beginning and 1.1GB in the end (delta: 911.2MB). Free memory was 120.7MB in the beginning and 412.2MB in the end (delta: -291.5MB). Peak memory consumption was 735.4MB. Max. memory is 8.0GB. [2022-02-09 06:54:45,966 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 06:54:45,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.28ms. Allocated memory was 176.2MB in the beginning and 231.7MB in the end (delta: 55.6MB). Free memory was 120.5MB in the beginning and 201.9MB in the end (delta: -81.3MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-02-09 06:54:45,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.18ms. Allocated memory is still 231.7MB. Free memory was 201.9MB in the beginning and 199.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 06:54:45,967 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 231.7MB. Free memory was 199.4MB in the beginning and 197.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 06:54:45,967 INFO L158 Benchmark]: RCFGBuilder took 655.22ms. Allocated memory is still 231.7MB. Free memory was 197.3MB in the beginning and 158.5MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-02-09 06:54:45,967 INFO L158 Benchmark]: TraceAbstraction took 824904.21ms. Allocated memory was 231.7MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 158.0MB in the beginning and 412.2MB in the end (delta: -254.3MB). Peak memory consumption was 717.3MB. Max. memory is 8.0GB. [2022-02-09 06:54:45,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 137.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.28ms. Allocated memory was 176.2MB in the beginning and 231.7MB in the end (delta: 55.6MB). Free memory was 120.5MB in the beginning and 201.9MB in the end (delta: -81.3MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.18ms. Allocated memory is still 231.7MB. Free memory was 201.9MB in the beginning and 199.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 231.7MB. Free memory was 199.4MB in the beginning and 197.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 655.22ms. Allocated memory is still 231.7MB. Free memory was 197.3MB in the beginning and 158.5MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 824904.21ms. Allocated memory was 231.7MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 158.0MB in the beginning and 412.2MB in the end (delta: -254.3MB). Peak memory consumption was 717.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 145443, positive: 130493, positive conditional: 130493, positive unconditional: 0, negative: 14950, negative conditional: 14950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 130857, positive: 130493, positive conditional: 130493, positive unconditional: 0, negative: 364, negative conditional: 364, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 130857, positive: 130493, positive conditional: 130493, positive unconditional: 0, negative: 364, negative conditional: 364, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 133296, positive: 130493, positive conditional: 130067, positive unconditional: 426, negative: 2803, negative conditional: 2439, negative unconditional: 364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 133296, positive: 130493, positive conditional: 18523, positive unconditional: 111970, negative: 2803, negative conditional: 795, negative unconditional: 2008, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 133296, positive: 130493, positive conditional: 18523, positive unconditional: 111970, negative: 2803, negative conditional: 795, negative unconditional: 2008, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1309, positive: 1282, positive conditional: 299, positive unconditional: 983, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1309, positive: 1250, positive conditional: 0, positive unconditional: 1250, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 32, positive conditional: 31, positive unconditional: 1, negative: 27, negative conditional: 14, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 373, positive: 282, positive conditional: 273, positive unconditional: 9, negative: 91, negative conditional: 48, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 133296, positive: 129211, positive conditional: 18224, positive unconditional: 110987, negative: 2776, negative conditional: 781, negative unconditional: 1995, unknown: 1309, unknown conditional: 313, unknown unconditional: 996] , Statistics on independence cache: Total cache size (in pairs): 1309, Positive cache size: 1282, Positive conditional cache size: 299, Positive unconditional cache size: 983, Negative cache size: 27, Negative conditional cache size: 14, Negative unconditional cache size: 13, Eliminated conditions: 113188, Maximal queried relation: 5, Independence queries for same thread: 14586 - 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 - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 37ms.. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 37ms.. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 37ms.. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 37ms.. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 204 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 37ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 263 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 824.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 9.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 104, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 184.0s InterpolantComputationTime, 1735 NumberOfCodeBlocks, 1735 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2119 ConstructedInterpolants, 117 QuantifiedInterpolants, 21783 SizeOfPredicates, 61 NumberOfNonLiveVariables, 1000 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 22/37 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown