/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 23:59:01,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 23:59:01,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 23:59:01,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 23:59:01,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 23:59:01,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 23:59:01,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 23:59:01,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 23:59:01,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 23:59:01,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 23:59:01,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 23:59:01,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 23:59:01,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 23:59:01,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 23:59:01,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 23:59:01,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 23:59:01,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 23:59:01,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 23:59:01,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 23:59:01,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 23:59:01,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 23:59:01,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 23:59:01,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 23:59:01,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 23:59:01,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 23:59:01,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 23:59:01,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 23:59:01,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 23:59:01,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 23:59:01,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 23:59:01,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 23:59:01,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 23:59:01,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 23:59:01,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 23:59:01,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 23:59:01,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 23:59:01,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 23:59:01,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 23:59:01,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 23:59:01,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 23:59:01,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 23:59:01,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 23:59:01,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 23:59:01,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 23:59:01,465 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 23:59:01,465 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 23:59:01,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 23:59:01,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 23:59:01,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 23:59:01,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 23:59:01,467 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 23:59:01,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 23:59:01,467 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 23:59:01,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 23:59:01,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 23:59:01,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 23:59:01,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 23:59:01,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 23:59:01,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 23:59:01,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 23:59:01,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 23:59:01,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 23:59:01,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 23:59:01,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 23:59:01,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 23:59:01,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 23:59:01,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 23:59:01,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:59:01,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 23:59:01,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 23:59:01,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 23:59:01,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 23:59:01,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 23:59:01,470 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 23:59:01,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 23:59:01,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 23:59:01,470 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 23:59:01,470 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 23:59:01,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 23:59:01,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 23:59:01,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 23:59:01,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 23:59:01,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 23:59:01,652 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 23:59:01,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2022-11-15 23:59:01,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9570194/7d637521c4f24c4b8a020065f90813b7/FLAGc6f65059b [2022-11-15 23:59:02,024 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 23:59:02,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2022-11-15 23:59:02,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9570194/7d637521c4f24c4b8a020065f90813b7/FLAGc6f65059b [2022-11-15 23:59:02,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c9570194/7d637521c4f24c4b8a020065f90813b7 [2022-11-15 23:59:02,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 23:59:02,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 23:59:02,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 23:59:02,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 23:59:02,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 23:59:02,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ceed275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02, skipping insertion in model container [2022-11-15 23:59:02,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 23:59:02,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 23:59:02,584 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-15 23:59:02,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:59:02,598 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 23:59:02,614 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c[2987,3000] [2022-11-15 23:59:02,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 23:59:02,629 INFO L208 MainTranslator]: Completed translation [2022-11-15 23:59:02,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02 WrapperNode [2022-11-15 23:59:02,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 23:59:02,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 23:59:02,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 23:59:02,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 23:59:02,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,657 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 200 [2022-11-15 23:59:02,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 23:59:02,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 23:59:02,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 23:59:02,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 23:59:02,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,683 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 23:59:02,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 23:59:02,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 23:59:02,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 23:59:02,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (1/1) ... [2022-11-15 23:59:02,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 23:59:02,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:59:02,717 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) [2022-11-15 23:59:02,732 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 [2022-11-15 23:59:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 23:59:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-15 23:59:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-15 23:59:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-15 23:59:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-15 23:59:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 23:59:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 23:59:02,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 23:59:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 23:59:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 23:59:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-15 23:59:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 23:59:02,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 23:59:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 23:59:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 23:59:02,761 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 23:59:02,834 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 23:59:02,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 23:59:03,153 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 23:59:03,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 23:59:03,256 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-15 23:59:03,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:59:03 BoogieIcfgContainer [2022-11-15 23:59:03,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 23:59:03,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 23:59:03,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 23:59:03,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 23:59:03,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:59:02" (1/3) ... [2022-11-15 23:59:03,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c34786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:59:03, skipping insertion in model container [2022-11-15 23:59:03,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:59:02" (2/3) ... [2022-11-15 23:59:03,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c34786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:59:03, skipping insertion in model container [2022-11-15 23:59:03,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:59:03" (3/3) ... [2022-11-15 23:59:03,266 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2022-11-15 23:59:03,272 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 23:59:03,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 23:59:03,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-15 23:59:03,278 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 23:59:03,347 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-15 23:59:03,394 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:59:03,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 23:59:03,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:59:03,402 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) [2022-11-15 23:59:03,421 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 [2022-11-15 23:59:03,434 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 23:59:03,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 23:59:03,448 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a8d6ab6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 23:59:03,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-15 23:59:03,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:03,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:03,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2009841455, now seen corresponding path program 1 times [2022-11-15 23:59:03,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:03,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878901583] [2022-11-15 23:59:03,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:03,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:03,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:03,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:03,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878901583] [2022-11-15 23:59:03,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878901583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:59:03,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:59:03,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 23:59:03,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370891206] [2022-11-15 23:59:03,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:59:03,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 23:59:03,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:03,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 23:59:03,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 23:59:03,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:03,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:03,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 66.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 23:59:03,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:03,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:03,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 23:59:03,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:03,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:03,915 INFO L85 PathProgramCache]: Analyzing trace with hash -50325487, now seen corresponding path program 1 times [2022-11-15 23:59:03,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:03,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730018848] [2022-11-15 23:59:03,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:03,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:04,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:04,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730018848] [2022-11-15 23:59:04,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730018848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:59:04,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:59:04,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 23:59:04,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014960844] [2022-11-15 23:59:04,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:59:04,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 23:59:04,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:04,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 23:59:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 23:59:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:04,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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) [2022-11-15 23:59:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:59:04,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 23:59:04,427 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:04,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash -719968619, now seen corresponding path program 1 times [2022-11-15 23:59:04,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:04,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959350367] [2022-11-15 23:59:04,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:04,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:04,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:04,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:04,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959350367] [2022-11-15 23:59:04,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959350367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:59:04,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:59:04,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-15 23:59:04,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74665850] [2022-11-15 23:59:04,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:59:04,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-15 23:59:04,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:04,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-15 23:59:04,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-15 23:59:04,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:04,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2022-11-15 23:59:04,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 23:59:04,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:04,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 23:59:04,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -890697707, now seen corresponding path program 1 times [2022-11-15 23:59:04,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:04,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040654276] [2022-11-15 23:59:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:04,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:04,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040654276] [2022-11-15 23:59:04,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040654276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:59:04,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:59:04,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 23:59:04,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348393696] [2022-11-15 23:59:04,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:59:04,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 23:59:04,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:04,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 23:59:04,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 23:59:04,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:04,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2022-11-15 23:59:04,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:04,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:04,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:04,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:04,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 23:59:04,990 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:04,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash 737409790, now seen corresponding path program 1 times [2022-11-15 23:59:04,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:04,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252847736] [2022-11-15 23:59:04,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:04,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:59:05,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:05,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252847736] [2022-11-15 23:59:05,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252847736] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:59:05,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632622229] [2022-11-15 23:59:05,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:05,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:59:05,157 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) [2022-11-15 23:59:05,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-15 23:59:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:05,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-15 23:59:05,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:59:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:59:05,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:59:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:59:05,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632622229] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:59:05,811 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:59:05,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-11-15 23:59:05,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758921894] [2022-11-15 23:59:05,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:59:05,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-15 23:59:05,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:05,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-15 23:59:05,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-15 23:59:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:05,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:05,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 33.54545454545455) internal successors, (369), 11 states have internal predecessors, (369), 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) [2022-11-15 23:59:05,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:05,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:05,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:05,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:05,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:05,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-15 23:59:06,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:06,136 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:06,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:06,137 INFO L85 PathProgramCache]: Analyzing trace with hash -79862846, now seen corresponding path program 1 times [2022-11-15 23:59:06,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:06,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142341037] [2022-11-15 23:59:06,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-15 23:59:06,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:06,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142341037] [2022-11-15 23:59:06,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142341037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:59:06,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:59:06,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 23:59:06,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052093028] [2022-11-15 23:59:06,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:59:06,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 23:59:06,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 23:59:06,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-15 23:59:06,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:06,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 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) [2022-11-15 23:59:06,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:06,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:06,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:06,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:06,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 23:59:06,431 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:06,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:06,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1906898218, now seen corresponding path program 1 times [2022-11-15 23:59:06,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:06,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332519827] [2022-11-15 23:59:06,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:06,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:59:06,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:06,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332519827] [2022-11-15 23:59:06,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332519827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:59:06,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:59:06,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 23:59:06,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84854847] [2022-11-15 23:59:06,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:59:06,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 23:59:06,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:06,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 23:59:06,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 23:59:06,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:06,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2022-11-15 23:59:06,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:06,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:06,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:06,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 23:59:06,676 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:06,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash -612193386, now seen corresponding path program 2 times [2022-11-15 23:59:06,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:06,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739542738] [2022-11-15 23:59:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:06,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:10,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:10,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739542738] [2022-11-15 23:59:10,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739542738] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:59:10,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229969213] [2022-11-15 23:59:10,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-15 23:59:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:10,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:59:10,196 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) [2022-11-15 23:59:10,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-15 23:59:10,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-15 23:59:10,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:59:10,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 92 conjunts are in the unsatisfiable core [2022-11-15 23:59:10,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:59:11,054 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:59:11,323 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 11 [2022-11-15 23:59:12,211 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 23:59:12,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 23:59:12,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-15 23:59:13,240 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:59:13,387 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:59:14,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 18 [2022-11-15 23:59:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:14,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:59:26,509 INFO L321 Elim1Store]: treesize reduction 27, result has 61.4 percent of original size [2022-11-15 23:59:26,510 INFO L350 Elim1Store]: Elim1 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 2 case distinctions, treesize of input 164 treesize of output 98 [2022-11-15 23:59:26,566 INFO L321 Elim1Store]: treesize reduction 4, result has 95.7 percent of original size [2022-11-15 23:59:26,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 250 treesize of output 307 [2022-11-15 23:59:26,596 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:59:26,597 INFO L350 Elim1Store]: Elim1 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 196 treesize of output 204 [2022-11-15 23:59:26,621 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:59:26,621 INFO L350 Elim1Store]: Elim1 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 135 treesize of output 161 [2022-11-15 23:59:30,396 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-15 23:59:30,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 46 [2022-11-15 23:59:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:31,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229969213] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:59:31,205 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:59:31,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 45, 44] total 121 [2022-11-15 23:59:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357881313] [2022-11-15 23:59:31,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:59:31,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-11-15 23:59:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:31,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-11-15 23:59:31,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1575, Invalid=12861, Unknown=84, NotChecked=0, Total=14520 [2022-11-15 23:59:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:31,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:31,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.4214876033057853) internal successors, (414), 121 states have internal predecessors, (414), 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) [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:31,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:46,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:46,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-11-15 23:59:46,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-15 23:59:46,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:46,357 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:46,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:46,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1534866598, now seen corresponding path program 3 times [2022-11-15 23:59:46,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:46,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554362727] [2022-11-15 23:59:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:46,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:46,522 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:59:46,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:46,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554362727] [2022-11-15 23:59:46,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554362727] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:59:46,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870543152] [2022-11-15 23:59:46,524 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-15 23:59:46,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:46,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:59:46,525 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) [2022-11-15 23:59:46,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-15 23:59:46,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-15 23:59:46,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:59:46,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-15 23:59:46,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:59:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:59:46,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:59:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-15 23:59:47,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870543152] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:59:47,008 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:59:47,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-11-15 23:59:47,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112210787] [2022-11-15 23:59:47,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:59:47,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 23:59:47,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:47,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 23:59:47,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-15 23:59:47,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:47,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:47,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.263157894736842) internal successors, (214), 19 states have internal predecessors, (214), 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) [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-11-15 23:59:47,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 23:59:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:59:48,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:59:48,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-15 23:59:48,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:48,402 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:48,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:48,403 INFO L85 PathProgramCache]: Analyzing trace with hash 231838430, now seen corresponding path program 4 times [2022-11-15 23:59:48,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:48,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722222701] [2022-11-15 23:59:48,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-15 23:59:48,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:48,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722222701] [2022-11-15 23:59:48,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722222701] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:59:48,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018228761] [2022-11-15 23:59:48,601 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-15 23:59:48,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:48,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:59:48,616 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:59:48,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-15 23:59:48,743 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-15 23:59:48,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:59:48,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-15 23:59:48,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:59:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-15 23:59:48,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-15 23:59:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-15 23:59:49,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018228761] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-15 23:59:49,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-15 23:59:49,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-11-15 23:59:49,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533933150] [2022-11-15 23:59:49,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-15 23:59:49,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-15 23:59:49,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:49,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-15 23:59:49,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-11-15 23:59:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:49,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:49,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.947368421052632) internal successors, (227), 19 states have internal predecessors, (227), 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) [2022-11-15 23:59:49,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:49,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:49,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:49,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:49,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 23:59:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-11-15 23:59:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:59:49,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 23:59:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-11-15 23:59:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:59:49,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:59:49,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-15 23:59:49,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-15 23:59:49,900 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:49,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:49,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1265621207, now seen corresponding path program 5 times [2022-11-15 23:59:49,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:49,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180006440] [2022-11-15 23:59:49,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:49,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-15 23:59:50,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:50,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180006440] [2022-11-15 23:59:50,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180006440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 23:59:50,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 23:59:50,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-15 23:59:50,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69611148] [2022-11-15 23:59:50,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 23:59:50,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 23:59:50,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 23:59:50,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 23:59:50,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-15 23:59:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:50,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 23:59:50,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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) [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:59:50,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 23:59:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-15 23:59:50,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-15 23:59:50,321 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 23:59:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 23:59:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1550363489, now seen corresponding path program 6 times [2022-11-15 23:59:50,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 23:59:50,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715354134] [2022-11-15 23:59:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 23:59:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 23:59:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 23:59:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:53,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 23:59:53,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715354134] [2022-11-15 23:59:53,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715354134] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-15 23:59:53,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529810190] [2022-11-15 23:59:53,890 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-15 23:59:53,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-15 23:59:53,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 23:59:53,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-15 23:59:53,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-15 23:59:54,080 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-11-15 23:59:54,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-15 23:59:54,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 92 conjunts are in the unsatisfiable core [2022-11-15 23:59:54,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-15 23:59:54,553 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:59:54,801 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 11 [2022-11-15 23:59:55,672 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-15 23:59:55,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-15 23:59:55,979 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:59:56,214 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:59:56,678 INFO L350 Elim1Store]: Elim1 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 [2022-11-15 23:59:56,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-15 23:59:56,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-11-15 23:59:57,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 18 [2022-11-15 23:59:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 23:59:57,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 00:00:05,649 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:05,650 INFO L350 Elim1Store]: Elim1 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 130 treesize of output 94 [2022-11-16 00:00:05,667 INFO L321 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2022-11-16 00:00:05,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 739 treesize of output 714 [2022-11-16 00:00:05,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:00:05,697 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:05,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 518 treesize of output 534 [2022-11-16 00:00:05,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:00:05,739 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:05,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 621 treesize of output 661 [2022-11-16 00:00:05,752 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:00:05,765 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:05,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 593 treesize of output 517 [2022-11-16 00:00:12,456 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:12,457 INFO L350 Elim1Store]: Elim1 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 130 treesize of output 94 [2022-11-16 00:00:12,499 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:12,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 715 treesize of output 695 [2022-11-16 00:00:12,534 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:12,535 INFO L350 Elim1Store]: Elim1 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 653 treesize of output 589 [2022-11-16 00:00:12,596 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:12,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 545 treesize of output 597 [2022-11-16 00:00:12,669 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:12,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 514 treesize of output 542 [2022-11-16 00:00:33,011 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:00:33,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 120 [2022-11-16 00:00:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:00:34,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529810190] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 00:00:34,855 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 00:00:34,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 47, 48] total 130 [2022-11-16 00:00:34,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968391129] [2022-11-16 00:00:34,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 00:00:34,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-11-16 00:00:34,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:00:34,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-11-16 00:00:34,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1147, Invalid=15587, Unknown=36, NotChecked=0, Total=16770 [2022-11-16 00:00:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:34,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:00:34,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 3.3461538461538463) internal successors, (435), 130 states have internal predecessors, (435), 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) [2022-11-16 00:00:34,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:00:34,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:01:02,862 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse17 (* c_~q2_back~0 4)) (.cse18 (* c_~q2_front~0 4))) (let ((.cse14 (+ c_~q2~0.offset .cse18)) (.cse9 (+ .cse17 c_~q2~0.offset)) (.cse2 (not (<= 0 c_~q1_back~0))) (.cse3 (not (< c_~q2_back~0 c_~n2~0))) (.cse4 (not (< c_~q1_back~0 c_~n1~0))) (.cse13 (+ (* c_~q1_front~0 4) c_~q1~0.offset)) (.cse11 (+ c_~i~0 1)) (.cse1 (+ (* c_~q1_back~0 4) c_~q1~0.offset)) (.cse5 (<= c_~n2~0 c_~q2_front~0)) (.cse6 (< c_~q2_front~0 0)) (.cse7 (not (<= 0 c_~q2_back~0)))) (and (<= 0 c_~i~0) (let ((.cse0 (select |c_#memory_int| c_~q1~0.base)) (.cse8 (select |c_#memory_int| c_~q2~0.base))) (or (not (= (select .cse0 .cse1) c_~j~0)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (not (= c_~i~0 (select .cse8 .cse9))) (let ((.cse12 (select .cse8 .cse14)) (.cse10 (select .cse0 .cse13))) (and (or (< .cse10 .cse11) (< .cse12 c_~i~0)) (or (< .cse12 .cse11) (< .cse10 c_~i~0)))))) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| Int)) (or (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) 0)) (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| Int)) (or (forall ((|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_142 Int) (v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse19 (store (store (store |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| (store (select |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_142)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse15 (select .cse19 c_~q1~0.base)) (.cse16 (select .cse19 |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|))) (or (< (select .cse15 .cse13) .cse11) (not (= (select .cse16 (+ .cse17 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~i~0)) (not (= c_~j~0 (select .cse15 .cse1))) (< (select .cse16 (+ .cse18 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~i~0))))) (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 0)) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|))) (not (< |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| |c_#StackHeapBarrier|)))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| Int)) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| Int)) (or (forall ((|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (v_ArrVal_142 Int) (v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse22 (store (store (store |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| (store (select |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_142)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse20 (select .cse22 |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|)) (.cse21 (select .cse22 c_~q1~0.base))) (or (< (select .cse20 (+ .cse18 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) .cse11) (< (select .cse21 .cse13) c_~i~0) (not (= (select .cse20 (+ .cse17 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~i~0)) (not (= c_~j~0 (select .cse21 .cse1))))))) (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 0)) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 1) |c_ULTIMATE.start_create_fresh_int_array_~size#1|))) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) 0)) (not (< |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| |c_#StackHeapBarrier|)))))) (= c_~i~0 0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t2~0#1.base|) (<= c_~q1_back~0 c_~q1_front~0) (or (let ((.cse24 (+ .cse17 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (.cse26 (+ .cse18 |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))) (and (forall ((v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse27 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse25 (select .cse27 c_~q1~0.base)) (.cse23 (select .cse27 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (not (= (select .cse23 .cse24) c_~i~0)) (< (select .cse25 .cse13) .cse11) (not (= c_~j~0 (select .cse25 .cse1))) (< (select .cse23 .cse26) c_~i~0))))) (forall ((v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse30 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse28 (select .cse30 c_~q1~0.base)) (.cse29 (select .cse30 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (or (< (select .cse28 .cse13) c_~i~0) (not (= (select .cse29 .cse24) c_~i~0)) (not (= c_~j~0 (select .cse28 .cse1))) (< (select .cse29 .cse26) .cse11))))))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (and (forall ((v_ArrVal_145 (Array Int Int))) (let ((.cse33 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse31 (select .cse33 c_~q2~0.base)) (.cse32 (select .cse33 c_~q1~0.base))) (or (< (select .cse31 .cse14) c_~i~0) (not (= c_~i~0 (select .cse31 .cse9))) (< (select .cse32 .cse13) .cse11) (not (= (select .cse32 .cse1) c_~j~0)))))) (forall ((v_ArrVal_145 (Array Int Int))) (let ((.cse36 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse34 (select .cse36 c_~q2~0.base)) (.cse35 (select .cse36 c_~q1~0.base))) (or (< (select .cse34 .cse14) .cse11) (< (select .cse35 .cse13) c_~i~0) (not (= c_~i~0 (select .cse34 .cse9))) (not (= (select .cse35 .cse1) c_~j~0)))))))) (or (and (forall ((v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse39 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse37 (select .cse39 c_~q1~0.base)) (.cse38 (select .cse39 c_~q2~0.base))) (or (< (select .cse37 .cse13) .cse11) (not (= (select .cse38 .cse9) c_~i~0)) (not (= c_~j~0 (select .cse37 .cse1))) (< (select .cse38 .cse14) c_~i~0))))) (forall ((v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse42 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse41 (select .cse42 c_~q2~0.base)) (.cse40 (select .cse42 c_~q1~0.base))) (or (< (select .cse40 .cse13) c_~i~0) (< (select .cse41 .cse14) .cse11) (not (= (select .cse41 .cse9) c_~i~0)) (not (= c_~j~0 (select .cse40 .cse1)))))))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse2 .cse3 .cse4 (and (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| Int) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| Int) (v_ArrVal_142 Int) (v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse45 (store (store (store |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| (store (select |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_142)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse43 (select .cse45 |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|)) (.cse44 (select .cse45 c_~q1~0.base))) (or (< (select .cse43 (+ .cse18 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) .cse11) (< (select .cse44 .cse13) c_~i~0) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) 0)) (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 0)) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 1) |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) (not (= (select .cse43 (+ .cse17 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~i~0)) (not (= c_~j~0 (select .cse44 .cse1))) (not (< |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| |c_#StackHeapBarrier|)))))) (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| Int) (|ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset| Int) (|v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| Int) (v_ArrVal_142 Int) (v_ArrVal_144 (Array Int Int)) (v_ArrVal_145 (Array Int Int))) (let ((.cse48 (store (store (store |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| (store (select |c_#memory_int| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) (+ (* |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 4) |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) v_ArrVal_142)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_144) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_145))) (let ((.cse46 (select .cse48 c_~q1~0.base)) (.cse47 (select .cse48 |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|))) (or (< (select .cse46 .cse13) .cse11) (not (= (select |c_#valid| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16|) 0)) (not (<= |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 0)) (< (+ |v_ULTIMATE.start_create_fresh_int_array_~i~1#1_21| 1) |c_ULTIMATE.start_create_fresh_int_array_#in~size#1|) (not (= (select .cse47 (+ .cse17 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~i~0)) (not (= c_~j~0 (select .cse46 .cse1))) (< (select .cse47 (+ .cse18 |ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) c_~i~0) (not (< |v_ULTIMATE.start_create_fresh_int_array_#t~malloc24#1.base_16| |c_#StackHeapBarrier|))))))) .cse5 .cse6 .cse7) (<= c_~q1_front~0 c_~q1_back~0) (<= c_~j~0 0) (= c_~q1_back~0 c_~q1_front~0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_main_~#t1~0#1.base|) (= c_~j~0 0)))) is different from false [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2022-11-16 00:01:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:01:18,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:01:18,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:01:18,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-11-16 00:01:18,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-16 00:01:19,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:01:19,044 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:01:19,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:01:19,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1260174278, now seen corresponding path program 7 times [2022-11-16 00:01:19,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:01:19,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543887357] [2022-11-16 00:01:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:01:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:01:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:01:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-16 00:01:19,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:01:19,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543887357] [2022-11-16 00:01:19,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543887357] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:01:19,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68848604] [2022-11-16 00:01:19,239 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-16 00:01:19,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:01:19,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:01:19,240 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 00:01:19,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 00:01:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:01:19,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 00:01:19,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:01:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 00:01:19,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 00:01:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 00:01:20,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68848604] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 00:01:20,165 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 00:01:20,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 11, 11] total 21 [2022-11-16 00:01:20,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161591921] [2022-11-16 00:01:20,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 00:01:20,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-16 00:01:20,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:01:20,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-16 00:01:20,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2022-11-16 00:01:20,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:01:20,167 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:01:20,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 15.666666666666666) internal successors, (329), 21 states have internal predecessors, (329), 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) [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-11-16 00:01:20,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:01:29,395 WARN L233 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 90 DAG size of output: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 00:01:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:01:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:01:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:01:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:01:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-11-16 00:01:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 00:01:35,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 00:01:35,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:01:35,631 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:01:35,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:01:35,632 INFO L85 PathProgramCache]: Analyzing trace with hash -293240135, now seen corresponding path program 8 times [2022-11-16 00:01:35,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:01:35,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071227574] [2022-11-16 00:01:35,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:01:35,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:01:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:01:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:01:46,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:01:46,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071227574] [2022-11-16 00:01:46,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071227574] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:01:46,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897384759] [2022-11-16 00:01:46,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 00:01:46,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:01:46,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:01:46,628 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 00:01:46,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-16 00:01:46,831 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 00:01:46,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 00:01:46,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 85 conjunts are in the unsatisfiable core [2022-11-16 00:01:46,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:01:49,243 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 11 [2022-11-16 00:01:49,967 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 00:01:50,120 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 00:01:51,102 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-16 00:01:51,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 18 [2022-11-16 00:01:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:01:51,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 00:01:55,186 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:01:55,187 INFO L350 Elim1Store]: Elim1 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 121 treesize of output 85 [2022-11-16 00:01:55,246 INFO L321 Elim1Store]: treesize reduction 5, result has 95.0 percent of original size [2022-11-16 00:01:55,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 455 treesize of output 502 [2022-11-16 00:01:55,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:01:55,284 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:01:55,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 407 treesize of output 411 [2022-11-16 00:01:55,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:01:55,326 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:01:55,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 314 treesize of output 354 [2022-11-16 00:02:11,587 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:02:11,587 INFO L350 Elim1Store]: Elim1 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 121 treesize of output 85 [2022-11-16 00:02:11,641 INFO L321 Elim1Store]: treesize reduction 50, result has 50.5 percent of original size [2022-11-16 00:02:11,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 447 treesize of output 449 [2022-11-16 00:02:11,694 INFO L321 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2022-11-16 00:02:11,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 399 treesize of output 375 [2022-11-16 00:02:11,751 INFO L321 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2022-11-16 00:02:11,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 256 treesize of output 268 [2022-11-16 00:02:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:02:20,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897384759] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 00:02:20,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 00:02:20,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 41] total 131 [2022-11-16 00:02:20,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071413154] [2022-11-16 00:02:20,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 00:02:20,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-11-16 00:02:20,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:02:20,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-11-16 00:02:20,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1484, Invalid=15437, Unknown=109, NotChecked=0, Total=17030 [2022-11-16 00:02:20,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:02:20,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:02:20,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 3.480916030534351) internal successors, (456), 131 states have internal predecessors, (456), 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) [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 00:02:20,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:02:43,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:02:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:02:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:02:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-11-16 00:02:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 00:02:43,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-16 00:02:43,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-16 00:02:43,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-16 00:02:43,269 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-16 00:02:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 00:02:43,269 INFO L85 PathProgramCache]: Analyzing trace with hash -54122879, now seen corresponding path program 9 times [2022-11-16 00:02:43,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 00:02:43,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783744354] [2022-11-16 00:02:43,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 00:02:43,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 00:02:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 00:02:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:02:48,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 00:02:48,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783744354] [2022-11-16 00:02:48,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783744354] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 00:02:48,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577749965] [2022-11-16 00:02:48,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 00:02:48,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 00:02:48,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 00:02:48,556 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 00:02:48,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-16 00:02:48,911 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 00:02:48,911 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 00:02:48,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-16 00:02:48,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 00:02:50,724 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 11 [2022-11-16 00:02:51,255 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 00:02:51,364 INFO L350 Elim1Store]: Elim1 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 [2022-11-16 00:02:53,651 INFO L321 Elim1Store]: treesize reduction 81, result has 25.7 percent of original size [2022-11-16 00:02:53,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 42 [2022-11-16 00:02:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:02:53,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 00:03:18,103 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:03:18,104 INFO L350 Elim1Store]: Elim1 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 227 treesize of output 143 [2022-11-16 00:03:18,174 INFO L321 Elim1Store]: treesize reduction 9, result has 91.4 percent of original size [2022-11-16 00:03:18,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2041 treesize of output 1823 [2022-11-16 00:03:18,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:03:18,228 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:03:18,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1690 treesize of output 1531 [2022-11-16 00:03:18,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:03:18,284 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:03:18,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1491 treesize of output 1095 [2022-11-16 00:03:55,047 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:03:55,048 INFO L350 Elim1Store]: Elim1 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 227 treesize of output 143 [2022-11-16 00:03:55,098 INFO L321 Elim1Store]: treesize reduction 58, result has 44.8 percent of original size [2022-11-16 00:03:55,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2045 treesize of output 1777 [2022-11-16 00:03:55,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:03:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 00:03:55,215 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:03:55,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 1599 treesize of output 1343 [2022-11-16 00:03:55,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 00:03:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 00:03:55,253 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 00:03:55,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 1423 treesize of output 956 [2022-11-16 00:04:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 00:04:09,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577749965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 00:04:09,856 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 00:04:09,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47, 43] total 130 [2022-11-16 00:04:09,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016434213] [2022-11-16 00:04:09,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 00:04:09,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-11-16 00:04:09,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 00:04:09,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-11-16 00:04:09,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=776, Invalid=15973, Unknown=21, NotChecked=0, Total=16770 [2022-11-16 00:04:09,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:04:09,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 00:04:09,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 3.7846153846153845) internal successors, (492), 130 states have internal predecessors, (492), 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) [2022-11-16 00:04:09,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:04:09,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:04:09,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:04:09,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-11-16 00:04:09,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:04:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:04:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:04:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 00:04:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 00:04:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-11-16 00:04:09,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 00:04:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-11-16 00:04:09,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 00:04:09,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-16 00:04:09,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-16 00:04:09,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-16 00:04:09,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-16 00:04:10,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-16 00:04:10,081 INFO L444 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1, 1] [2022-11-16 00:04:10,084 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 00:04:10,085 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 00:04:10,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:04:10 BasicIcfg [2022-11-16 00:04:10,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 00:04:10,087 INFO L158 Benchmark]: Toolchain (without parser) took 307664.28ms. Allocated memory was 247.5MB in the beginning and 873.5MB in the end (delta: 626.0MB). Free memory was 220.4MB in the beginning and 522.2MB in the end (delta: -301.8MB). Peak memory consumption was 324.5MB. Max. memory is 8.0GB. [2022-11-16 00:04:10,087 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory was 129.5MB in the beginning and 129.3MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 00:04:10,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.80ms. Allocated memory is still 247.5MB. Free memory was 220.2MB in the beginning and 217.6MB in the end (delta: 2.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-11-16 00:04:10,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.18ms. Allocated memory is still 247.5MB. Free memory was 217.1MB in the beginning and 215.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 00:04:10,088 INFO L158 Benchmark]: Boogie Preprocessor took 20.82ms. Allocated memory is still 247.5MB. Free memory was 215.0MB in the beginning and 213.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-16 00:04:10,088 INFO L158 Benchmark]: RCFGBuilder took 571.86ms. Allocated memory is still 247.5MB. Free memory was 213.4MB in the beginning and 184.6MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-11-16 00:04:10,089 INFO L158 Benchmark]: TraceAbstraction took 306825.74ms. Allocated memory was 247.5MB in the beginning and 873.5MB in the end (delta: 626.0MB). Free memory was 183.5MB in the beginning and 522.2MB in the end (delta: -338.7MB). Peak memory consumption was 288.9MB. Max. memory is 8.0GB. [2022-11-16 00:04:10,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory was 129.5MB in the beginning and 129.3MB in the end (delta: 122.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 205.80ms. Allocated memory is still 247.5MB. Free memory was 220.2MB in the beginning and 217.6MB in the end (delta: 2.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.18ms. Allocated memory is still 247.5MB. Free memory was 217.1MB in the beginning and 215.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.82ms. Allocated memory is still 247.5MB. Free memory was 215.0MB in the beginning and 213.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 571.86ms. Allocated memory is still 247.5MB. Free memory was 213.4MB in the beginning and 184.6MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 306825.74ms. Allocated memory was 247.5MB in the beginning and 873.5MB in the end (delta: 626.0MB). Free memory was 183.5MB in the beginning and 522.2MB in the end (delta: -338.7MB). Peak memory consumption was 288.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 38878, independent: 29290, independent conditional: 28329, independent unconditional: 961, dependent: 9588, dependent conditional: 9575, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29411, independent: 29290, independent conditional: 28329, independent unconditional: 961, dependent: 121, dependent conditional: 108, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29411, independent: 29290, independent conditional: 28329, independent unconditional: 961, dependent: 121, dependent conditional: 108, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31210, independent: 29290, independent conditional: 255, independent unconditional: 29035, dependent: 1920, dependent conditional: 1544, dependent unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31210, independent: 29290, independent conditional: 255, independent unconditional: 29035, dependent: 1920, dependent conditional: 1119, dependent unconditional: 801, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31210, independent: 29290, independent conditional: 255, independent unconditional: 29035, dependent: 1920, dependent conditional: 1119, dependent unconditional: 801, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 855, independent: 796, independent conditional: 24, independent unconditional: 772, dependent: 59, dependent conditional: 46, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 855, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 85, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 59, dependent conditional: 46, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 59, dependent conditional: 46, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327, independent: 111, independent conditional: 101, independent unconditional: 10, dependent: 216, dependent conditional: 149, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31210, independent: 28494, independent conditional: 231, independent unconditional: 28263, dependent: 1861, dependent conditional: 1073, dependent unconditional: 788, unknown: 855, unknown conditional: 70, unknown unconditional: 785] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 796, Positive conditional cache size: 24, Positive unconditional cache size: 772, Negative cache size: 59, Negative conditional cache size: 46, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 425, Maximal queried relation: 13, Independence queries for same thread: 9467 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 454, Number of trivial persistent sets: 437, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 974, independent: 961, independent conditional: 0, independent unconditional: 961, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 38878, independent: 29290, independent conditional: 28329, independent unconditional: 961, dependent: 9588, dependent conditional: 9575, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29411, independent: 29290, independent conditional: 28329, independent unconditional: 961, dependent: 121, dependent conditional: 108, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29411, independent: 29290, independent conditional: 28329, independent unconditional: 961, dependent: 121, dependent conditional: 108, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31210, independent: 29290, independent conditional: 255, independent unconditional: 29035, dependent: 1920, dependent conditional: 1544, dependent unconditional: 376, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31210, independent: 29290, independent conditional: 255, independent unconditional: 29035, dependent: 1920, dependent conditional: 1119, dependent unconditional: 801, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31210, independent: 29290, independent conditional: 255, independent unconditional: 29035, dependent: 1920, dependent conditional: 1119, dependent unconditional: 801, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 855, independent: 796, independent conditional: 24, independent unconditional: 772, dependent: 59, dependent conditional: 46, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 855, independent: 770, independent conditional: 0, independent unconditional: 770, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 85, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 59, dependent conditional: 46, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 85, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 59, dependent conditional: 46, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 327, independent: 111, independent conditional: 101, independent unconditional: 10, dependent: 216, dependent conditional: 149, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31210, independent: 28494, independent conditional: 231, independent unconditional: 28263, dependent: 1861, dependent conditional: 1073, dependent unconditional: 788, unknown: 855, unknown conditional: 70, unknown unconditional: 785] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 796, Positive conditional cache size: 24, Positive unconditional cache size: 772, Negative cache size: 59, Negative conditional cache size: 46, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 425, Maximal queried relation: 13, Independence queries for same thread: 9467 - PositiveResult [Line: 102]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 186 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 306.7s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 100.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 561, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 202.4s InterpolantComputationTime, 3568 NumberOfCodeBlocks, 3553 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 4826 ConstructedInterpolants, 240 QuantifiedInterpolants, 111231 SizeOfPredicates, 270 NumberOfNonLiveVariables, 2986 ConjunctsInSsa, 386 ConjunctsInUnsatCore, 31 InterpolantComputations, 7 PerfectInterpolantSequences, 165/406 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 00:04:10,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 00:04:10,524 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-16 00:04:10,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...